KNAUF INSULATION INSTALLATION

Professional Knauf ceiling insulation installation for homes, offices, schools, factories and commercial buildings throughout Cape Town and the Western Cape.

✓ 36+ Years Experience

✓ Professional Installation Teams

✓ Premium German Manufactured Insulation

✓ Energy Efficient Homes

✓ 5 Year Workmanship Warranty

Knauf Insulation Installation Cape Town

Professional Knauf Ceiling Insulation Installation by Cape Ceilings & Drywalling

When it comes to improving the comfort and energy efficiency of your home or commercial building, few upgrades provide better long-term value than professionally installed Knauf ceiling insulation. At Cape Ceilings & Drywalling, we specialise in the supply and installation of premium Knauf insulation products throughout Cape Town and the Western Cape. With more than 36 years of industry experience, we understand how to install insulation correctly to maximise its thermal and acoustic performance.

Whether you are building a new home, renovating an existing property, upgrading a commercial office or insulating a warehouse, our experienced installation teams ensure every roll of Knauf insulation is fitted accurately, safely and in accordance with industry best practices. Correct installation is just as important as selecting the right insulation thickness. Even the highest-quality insulation can lose much of its effectiveness if gaps are left between sections, the insulation is compressed, or difficult roof spaces are not insulated properly.

Knauf insulation is recognised worldwide for its exceptional quality, advanced ECOSE® Technology and excellent thermal performance. It helps keep homes cooler during hot Cape Town summers, warmer during cold winter nights and significantly reduces the amount of energy required for heating and cooling throughout the year. In addition to lowering electricity costs, Knauf insulation also improves indoor comfort by reducing outside noise and providing an additional level of fire protection.

Our installation service includes expert advice, accurate quantity calculations, professional workmanship and a comprehensive 5-year workmanship warranty, giving you complete confidence that your insulation has been installed to the highest standard.

Why Choose Knauf Insulation Installation?

Installing ceiling insulation is one of the smartest investments property owners can make. Unlike many purely cosmetic home improvements, insulation continues to provide measurable savings every day by reducing heat transfer through the roof.

A professionally installed Knauf insulation system offers numerous long-term advantages, including:

Lower monthly electricity costs
Reduced air conditioning usage during summer
Less reliance on heaters during winter
Improved year-round indoor comfort
Excellent sound absorption between rooms and from outside noise
Increased property value
Reduced carbon footprint
Improved fire safety
Long service life with virtually no maintenance
Environmentally responsible manufacturing using recycled glass

For many homeowners, the energy savings achieved over the life of the insulation can exceed the original installation cost several times over. This makes Knauf insulation one of the most cost-effective improvements you can make to any residential or commercial property.

What Makes Knauf Insulation Installation

Different?

Unlike many standard glasswool products, Knauf insulation is manufactured using advanced ECOSE® Technology, an innovative binder system that contains no added formaldehyde, phenols or acrylics. This gives the insulation its distinctive natural brown colour while reducing the environmental impact of manufacturing.

The softer fibres make the insulation easier to handle during installation while still providing exceptional thermal and acoustic performance. Once installed, the insulation maintains its shape, resists sagging when correctly supported and continues performing effectively for decades.

Knauf insulation is manufactured from recycled glass, making it one of the most environmentally friendly insulation products available in South Africa.

Why Professional Knauf Insulation Installation Matters

Many people believe ceiling insulation simply needs to be rolled out between roof trusses. In reality, achieving maximum thermal performance requires careful planning, accurate cutting and attention to detail throughout the installation process.

During every project, our installers carefully inspect the roof space before beginning work. We identify electrical cables, downlights, plumbing pipes, ventilation systems and structural members to ensure the insulation fits neatly around every obstacle without leaving thermal gaps.

Poor installation commonly results in:

Heat escaping through open gaps
Reduced R-value due to compressed insulation
Air leakage around roof timbers
Cold spots inside the ceiling
Reduced acoustic performance
Increased heating and cooling costs

Our experienced installation teams understand how to avoid these common problems, ensuring your insulation performs exactly as the manufacturer intended.

Why Experience Makes a Difference

Cape Ceilings & Drywalling has been installing ceiling insulation for more than 36 years across residential, commercial and industrial projects throughout the Western Cape.

During this time, we have installed insulation in:

Luxury homes
Residential housing developments
Schools
Universities
Hospitals
Office buildings
Warehouses
Factories
Shopping centres
Churches
Restaurants
Hotels
Guest houses
Industrial processing facilities
Agricultural buildings
Municipal projects

This extensive experience allows us to recommend the most suitable Knauf insulation thickness for every application while ensuring every installation meets the highest professional standards.

Knauf Insulation Thickness Options

Knauf insulation is available in several thicknesses to suit different building designs, energy efficiency requirements and budgets. Choosing the correct thickness depends on factors such as the roof construction, local climate, building regulations and the level of thermal performance you wish to achieve.

At Cape Ceilings & Drywalling, we help every customer select the most suitable Knauf insulation for their property. Our recommendations are based on more than 36 years of practical installation experience rather than simply choosing the thickest product available. The objective is to achieve the best balance between thermal performance, long-term energy savings and value for money.

Every Knauf insulation roll is professionally measured, cut and installed to ensure complete coverage between roof trusses without unnecessary compression. Correct installation allows the insulation to achieve its designed thermal performance while eliminating gaps that can reduce its effectiveness.

Whether you require insulation for a small residential home, a luxury property, a commercial office, a warehouse or a large industrial building, we install every thickness with the same attention to detail and professional workmanship.

100mm Knauf Roof Insulation installation for ceilings and drywalling at attic space. — 135mm Knauf Insulation installation

135mm Knauf Insulation Installation

The 135mm Knauf insulation is the premium choice for homeowners and commercial property owners who want the highest thermal performance available within the standard Knauf range. It is particularly well-suited to areas that experience hot summers, cold winter mornings or where maximum energy efficiency is a priority.

This thickness provides excellent resistance to heat transfer through the roof, helping maintain comfortable indoor temperatures throughout the year while reducing heating and cooling costs.

Our installation team carefully positions every roll between the roof trusses, ensuring the insulation expands to its full thickness without compression. Electrical wiring, roof bracing, plumbing pipes and other obstacles are professionally accommodated to maintain continuous thermal coverage across the entire ceiling.

Typical applications include:

Luxury residential homes
New housing developments
Double-storey homes
Eco-friendly buildings
Commercial offices
Schools
Medical facilities
Premium guest houses
High-performance building projects

Advantages of 135mm Knauf Installation

Excellent thermal efficiency
Outstanding year-round comfort
Reduced electricity consumption
Lower air-conditioning costs
Improved winter warmth
Excellent acoustic performance
Long service life
Environmentally friendly solution

For homeowners planning to remain in their property for many years, 135mm Knauf insulation often delivers the greatest long-term return on investment through continuous energy savings.

100mm Knauf Insulation Installation

The 100mm Knauf insulation is one of the most popular choices for residential properties throughout Cape Town and the Western Cape. It provides an excellent balance between thermal performance and affordability, making it suitable for both new construction and retrofit projects.

This thickness significantly reduces heat entering the home during summer while helping retain indoor warmth throughout winter. Many homeowners notice an immediate improvement in comfort once professionally installed.

Our experienced installers ensure every section fits snugly between the roof trusses without leaving gaps or compressing the insulation. Proper installation allows the product to perform at its full design specification for many years.

Common applications include:

Family homes
Townhouses
Residential complexes
Renovations
Existing roof upgrades
Offices
Retail buildings
Community facilities

Benefits include:

Excellent energy savings
Comfortable indoor temperatures
Reduced HVAC operating costs
Effective sound absorption
Reliable long-term performance
Fast installation
Excellent value for money

For many South African homes, 100mm Knauf insulation offers one of the best combinations of performance, cost and long-term energy savings.

75mm Knauf Ceiling Insulation Installers West Coast

75mm Knauf Insulation Installation

The 75mm Knauf insulation is frequently selected where moderate thermal performance is required or where roof space limitations prevent the installation of thicker insulation.

Although thinner than the premium options, professional installation still provides noticeable improvements in indoor comfort, particularly when replacing an uninsulated ceiling.

Our installation teams ensure complete ceiling coverage while carefully fitting the insulation around roof members and services to minimise heat loss.

Suitable for:

Existing homes
Rental properties
Smaller residential buildings
Office renovations
Budget-conscious projects
Ceiling upgrades
Light commercial buildings

Advantages include:

Improved thermal comfort
Reduced heat transfer
Lower electricity usage
Better indoor temperature stability
Affordable installation costs
Quick installation times

Many homeowners choose 75mm Knauf insulation when upgrading older homes that previously had little or no ceiling insulation.

50mm Knauf Insulation Installation

The 50mm Knauf insulation provides an economical entry point into ceiling insulation while still delivering measurable improvements in thermal efficiency and indoor comfort.

It is often used where limited roof cavity height restricts thicker insulation or where moderate insulation levels are appropriate for the building’s intended use.

Our installers take the same professional approach regardless of insulation thickness, ensuring continuous coverage across the entire ceiling area.

Typical applications include:

Garages
Workshops
Smaller homes
Utility buildings
Office ceilings
Storage facilities
Budget renovation projects

Benefits include:

Affordable installation
Reduced heat transfer
Improved indoor comfort
Lower energy consumption
Easy installation
Long service life

While 50mm insulation provides worthwhile thermal benefits, customers looking for maximum energy savings generally choose the thicker Knauf options where roof space allows.

Knauf Acoustic Insulation Installation

While many people associate Knauf insulation with improving energy efficiency, it is equally respected for its outstanding acoustic performance. Noise pollution has become an increasing concern in both residential and commercial buildings, making professional acoustic insulation an important part of modern construction.

At Cape Ceilings & Drywalling, we install Knauf Acoustic Roll in drywall partition systems, suspended ceilings, office buildings, schools, hotels, healthcare facilities and residential properties throughout Cape Town and the Western Cape. Whether you are constructing a new building or upgrading an existing space, correctly installed acoustic insulation creates quieter, more comfortable environments where people can live, work and learn without unnecessary noise disruption.

Unlike standard thermal insulation, Knauf Acoustic Roll has been specifically designed to absorb sound waves travelling through wall cavities and ceiling systems. Reducing the transfer of airborne sound, it helps create greater privacy while significantly improving overall acoustic comfort.

Our experienced installation teams ensure every acoustic roll is accurately measured, neatly fitted and securely positioned within the wall or ceiling cavity, eliminating gaps that could reduce sound performance.

Knauf acoustic insulation roll for ceilings and walls. — High-quality drywall and ceiling installation materials.

What is Knauf Acoustic Roll?

Knauf Acoustic Roll is a premium glasswool insulation manufactured using the same advanced ECOSE® Technology found throughout the Knauf insulation range. It has been developed specifically for acoustic applications where reducing sound transmission is the primary objective.

Although it also provides valuable thermal insulation, its main purpose is to absorb airborne sound within wall cavities and suspended ceiling systems.

The insulation is lightweight, non-combustible, easy to install and maintains its shape for many years without settling when installed correctly.

Its flexible construction allows it to fit tightly between steel studs, timber framing and ceiling support systems while maintaining continuous acoustic coverage.

Where is Knauf Acoustic Insulation Installed?

Knauf Acoustic Roll is suitable for a wide variety of residential, commercial and industrial applications where improved sound control is required.

We regularly install acoustic insulation in:

Residential Homes

Bedrooms

Home offices

Entertainment rooms

Home theatres

Music rooms

Apartment walls

Double-storey homes

Townhouses

Luxury residences

Commercial Buildings

Office partitions

Boardrooms

Conference rooms

Training facilities

Reception areas

Private consulting rooms

Call centres

Open-plan offices

Meeting rooms

Educational Facilities

Schools

Universities

Lecture theatres

Libraries

Music classrooms

Administration offices

Student accommodation

Computer laboratories

Healthcare Facilities

Hospitals

Medical centres

Doctors’ consulting rooms

Dental practices

Therapy rooms

Patient wards

Clinics

Specialist treatment rooms

Insulation installation in drywall framing for ceiling insulation and soundproofing. — Expert drywall and ceiling insulation installation by Cape Ceilings & Drywalling professionals.

Hospitality Industry

Hotels

Guest houses

Conference centres

Restaurants

Resorts

Lodges

Luxury accommodation

Function venues

Industrial Applications

Factory offices

Control rooms

Security offices

Meeting facilities

Administration buildings

Staff facilities

Industrial training rooms

Thermal insulation installation in ceiling and wall structures for energy efficiency BY Cape Ceilings and Drywalling — Expert ceiling and drywalling services for insulation and finishing solutions in residential and commercial spaces.

Benefits of Professional Acoustic Insulation Installation

Correctly installed acoustic insulation delivers benefits that extend well beyond simply making a building quieter.

Professional installation can help:

Reduce conversations passing through walls

Improve privacy between offices

Minimise television and music noise

Reduce traffic noise entering buildings

Lower aircraft noise

Reduce neighbour noise

Improve concentration in workplaces

Create quieter bedrooms

Improve meeting room confidentiality

Increase comfort throughout the building

Many clients are surprised by the dramatic improvement that properly installed acoustic insulation makes, particularly in offices and residential developments where internal walls would otherwise transmit sound easily.

Insulation installation in drywall for enhanced soundproofing and thermal efficiency. — Professional drywalling and ceiling installation by Cape Ceilings & Drywalling.

Acoustic Insulation for Drywall Systems

One of the most common applications for Knauf Acoustic Roll is inside drywall partition systems.

Without insulation, plasterboard walls often allow conversations and other sounds to travel freely between rooms.

By installing Knauf Acoustic Roll inside the cavity before the plasterboard is fitted, sound waves are absorbed instead of being reflected through the wall structure.

This creates significantly better sound separation between adjacent rooms while also improving thermal performance.

Our installation teams regularly install acoustic insulation into:

Single stud partitions
Double stud partitions
Fire-rated drywall systems
Office partitioning
Residential internal walls
Commercial fit-outs
Renovation projects
New construction developments

Acoustic Ceiling Installation

Sound does not only travel through walls—it also moves through ceilings and roof spaces.

Installing Knauf Acoustic Roll above suspended ceilings or between ceiling joists helps reduce:

Rain noise on metal roofs
Aircraft noise
External traffic noise
Noise between floors
Echo within large rooms
Sound transmission from roof spaces

This makes acoustic ceiling insulation an excellent choice for homes, schools, office buildings, hotels and commercial properties where a quieter environment is important.

Professional Installation Makes All the Difference

Acoustic insulation only performs at its full potential when it is installed correctly.

Our installers ensure every section is:

Accurately measured

Properly cut

Closely fitted between framing members

Installed without unnecessary compression

Continuous throughout the cavity

Free from gaps around services

Professionally finished

Even small gaps can allow sound to bypass the insulation, reducing overall acoustic performance. Careful attention to detail during installation is therefore essential.

Why Choose Cape Ceilings & Drywalling for Acoustic Insulation?

With more than 36 years of insulation experience, we understand that every building has different acoustic requirements.

Our team provides:

Professional advice
Accurate quantity calculations
High-quality workmanship
Experienced installation teams
Reliable project scheduling
Competitive pricing
Residential, commercial and industrial expertise
5-Year Workmanship Warranty

Whether you need to reduce traffic noise in your home, improve speech privacy in an office or create quieter accommodation for guests, we can recommend and professionally install the most suitable Knauf acoustic insulation solution for your project.

Where Can Knauf Insulation Be Installed?

Knauf insulation is one of the most versatile ceiling insulation products available and can be professionally installed in almost any type of residential, commercial or industrial building. Whether you are constructing a new property, renovating an older building or improving the energy efficiency of an existing roof space, Knauf insulation provides an effective long-term solution for thermal comfort, energy savings and noise reduction.

At Cape Ceilings & Drywalling, we have installed ceiling insulation in a wide range of buildings throughout Cape Town and the Western Cape over the past 36 years. Every project is different, which is why we assess each roof structure, ceiling system and building layout before recommending the most suitable Knauf insulation thickness and installation method.

Our experienced installers ensure every project is completed professionally, regardless of the size or complexity of the building.

Knauf Insulation for Residential Homes

The majority of our Knauf insulation installations are completed in residential properties where homeowners want to improve comfort while reducing electricity costs.

A professionally insulated home remains noticeably cooler during Cape Town’s hot summer months while retaining warmth during winter. This creates a more consistent indoor temperature throughout the year and reduces reliance on air conditioners, fans and heaters.

We regularly install Knauf insulation in:

Freestanding houses
Double-storey homes
Luxury residences
Modern architectural homes
Renovated properties
Newly built houses
Retirement homes
Holiday homes
Coastal homes
Country homes

Whether your home has timber roof trusses or lightweight steel roof trusses, our installation teams ensure complete coverage across the ceiling area to maximise thermal performance.

Townhouses and Residential Estates

Modern townhouse developments often have limited roof spaces and closely positioned neighbouring properties. Proper ceiling insulation not only improves indoor comfort but also helps reduce external noise entering the home.

Knauf insulation is an excellent choice for:

Townhouse complexes
Residential estates
Security estates
Cluster developments
Sectional title properties
Duplex homes
Lifestyle estates

Professional installation helps maintain comfortable temperatures while improving the overall energy efficiency of each unit.

Apartment Buildings

Apartment buildings present unique insulation challenges due to multiple occupants, shared roof spaces and varying ceiling designs.

Knauf insulation assists with:

Temperature control
Reduced roof heat gain
Improved acoustic comfort
Lower energy consumption
Increased resident comfort

For top-floor apartments in particular, ceiling insulation can make a significant difference during hot summer weather.

Commercial Office Buildings

Commercial offices benefit enormously from professionally installed ceiling insulation.

A comfortable office environment improves employee productivity while reducing the operating costs associated with heating and cooling systems.

We install Knauf insulation in:

Office parks
Corporate headquarters
Professional offices
Municipal buildings
Government offices
Consulting rooms
Financial institutions
Business centres
Co-working spaces

Knauf Acoustic Roll can also be installed within drywall partitions to improve speech privacy between offices and meeting rooms.

Schools and Educational Facilities

Schools require insulation that improves comfort while helping create quieter learning environments.

Knauf insulation is ideal for:

Primary schools
High schools
Colleges
Universities
Libraries
Computer laboratories
Lecture theatres
Administration buildings
Student accommodation

A comfortable classroom environment can improve concentration while reducing the need for excessive heating or cooling.

Hospitals and Medical Facilities

Hospitals and healthcare facilities require reliable insulation that contributes to both thermal comfort and acoustic performance.

We install Knauf insulation in:

Hospitals
Day hospitals
Medical centres
Doctors’ consulting rooms
Dental practices
Specialist clinics
Rehabilitation centres
Healthcare offices

The insulation helps maintain stable indoor temperatures while reducing external noise that may disturb patients.

Hotels, Guest Houses and Hospitality Venues

Guest comfort is essential within the hospitality industry.

Knauf insulation helps create quieter, more comfortable accommodation while reducing operating costs associated with heating and cooling.

Typical hospitality projects include:

Hotels
Guest houses
Boutique hotels
Lodges
Bed and breakfasts
Resorts
Conference centres
Wedding venues

Acoustic insulation can also be installed within partition walls to improve privacy between guest rooms.

Warehouses and Distribution Centres

Warehouses often experience significant temperature fluctuations due to their large roof areas.

Installing Knauf insulation beneath warehouse roofing helps:

Reduce internal heat build-up
Improve working conditions
Protect temperature-sensitive products
Lower cooling costs
Improve employee comfort

We install insulation in both existing warehouses and new industrial developments.

Industrial Buildings and Factories

Industrial facilities often have large roof structures where heat gain can become a major problem.

Knauf insulation assists with:

Lower internal temperatures
Improved staff comfort
Reduced heat transfer
Better energy efficiency
Improved acoustic conditions
Increased workplace productivity

Our installation teams have extensive experience working safely within operational industrial environments while minimising disruption to production.

Retail Stores and Shopping Centres

Retail buildings rely on comfortable indoor temperatures to create a pleasant shopping experience.

Knauf insulation helps reduce the workload placed on air-conditioning systems while maintaining a more consistent indoor climate.

We install insulation in:

Shopping centres
Retail outlets
Supermarkets
Furniture stores
Hardware stores
Motor dealerships
Shopping malls
Showrooms

Agricultural and Farm Buildings

Agricultural buildings often require insulation to improve working conditions and protect temperature-sensitive equipment or products.

Applications include:

Farm offices
Workshops
Packhouses
Storage buildings
Processing facilities
Staff accommodation
Agricultural warehouses

Professional insulation helps reduce extreme temperatures common in large agricultural structures.

Wine Estates and Cellars

Throughout the Western Cape, wine farms and cellars benefit from improved temperature stability.

Knauf insulation can be installed in:

Wine tasting rooms
Cellars
Administration buildings
Visitor centres
Restaurants
Accommodation facilities

Maintaining stable indoor conditions contributes to visitor comfort while improving the energy efficiency of these buildings.

Churches and Community Buildings

Large public buildings often experience significant temperature fluctuations due to their roof size and ceiling height.

Knauf insulation helps improve comfort in:

Churches
Community halls
Civic centres
Sports clubs
Indoor recreation facilities
Public meeting halls

New Builds and Renovation Projects

Whether you are building from the ground up or upgrading an older property, Knauf insulation can be installed during almost any stage of construction.

For new homes, installation is typically completed before the ceiling boards are fitted, allowing unrestricted access to the roof structure.

For existing buildings, our installers work carefully within the roof space above the completed ceiling, ensuring minimal disruption to your home or business while achieving full coverage.

Professional Installation for Every Building

No two roof spaces are exactly alike. Roof truss spacing, ceiling construction, roof pitch, electrical services and ventilation all influence the installation process.

Before every project, we assess:

Roof access
Ceiling type
Roof truss layout
Existing insulation
Electrical wiring
Plumbing services
Ventilation requirements
Downlights and other ceiling fittings

This detailed planning allows us to install Knauf insulation safely, efficiently and to the highest professional standard.

By tailoring the installation to each building, we ensure that every customer receives the maximum thermal and acoustic benefits that Knauf insulation is designed to provide.

New Homes vs Existing Homes – Knauf Insulation Installation

One of the advantages of Knauf insulation is that it can be professionally installed in both newly constructed buildings and existing homes. Although the insulation product is the same, the installation process differs depending on the stage of construction.

At Cape Ceilings & Drywalling, we have extensive experience working on new residential developments, commercial construction projects, renovations and existing occupied homes. Our installation methods are adapted to suit each project while ensuring the insulation delivers its maximum thermal and acoustic performance.

Before every installation, we inspect the roof structure, ceiling design and access points to determine the safest and most effective installation method.

Regardless of whether your building is still under construction or has been occupied for many years, our goal remains the same: complete, continuous insulation coverage with no unnecessary gaps or compression.

Knauf Installation in New Homes

Installing insulation during the construction phase is generally the simplest and most efficient approach.

Because the ceiling boards have not yet been fitted, the roof structure is completely accessible, allowing our installation team to work safely and accurately across the entire ceiling area.

This unrestricted access makes it easier to achieve continuous insulation coverage while accommodating electrical wiring, plumbing and other building services.

During a new-build installation, we carefully:

Measure the ceiling areas.
Confirm the correct insulation thickness.
Calculate the required quantity of insulation.
Inspect the roof truss layout.
Position insulation between trusses.
Fit insulation neatly around structural members.
Maintain the full insulation thickness.
Check that all ceiling areas are covered before ceiling boards are installed.

Installing insulation before the ceiling is closed also allows builders and electricians to complete their work without disturbing finished ceilings later in the project.

Benefits of Installing During Construction

Installing Knauf insulation before the ceilings are fitted offers several important advantages.

These include:

Faster installation.
Easier access to every roof section.
Continuous insulation coverage.
Reduced labour costs.
Better quality control.
Less disruption to other trades.
Simplified inspection before ceilings are closed.
Greater installation accuracy.

For new construction projects, we coordinate with builders and project managers to ensure the insulation is installed at the correct stage of the building programme.

Knauf Installation in Existing Homes

Many of our projects involve upgrading homes that were built before ceiling insulation became standard.

In these cases, the insulation is installed from inside the roof cavity through the roof access hatch without removing the existing ceilings.

Although working inside an existing roof space is more demanding, our experienced installation teams are trained to move safely through roof structures while protecting the ceiling below.

Every installation begins with a thorough inspection of the roof cavity to assess:

Roof access.
Existing insulation.
Roof truss spacing.
Electrical wiring.
Plumbing services.
Air-conditioning ducting.
Ventilation systems.
Downlights.
Signs of roof leaks or moisture.

This inspection allows us to identify any issues that should be addressed before installation begins.

Working Safely Inside Existing Roof Spaces

Roof spaces often contain obstacles that require careful planning and experienced workmanship.

Our installers regularly work around:

Timber roof trusses.
Steel roof trusses.
Electrical wiring.
Solar electrical cabling.
Plumbing pipes.
Air-conditioning ducts.
Extractor fans.
Ceiling access hatches.
Roof bracing.
Water tanks.
Structural supports.

Every section of insulation is accurately cut to fit around these services while maintaining continuous thermal coverage wherever possible.

Protecting Your Existing Ceiling

One concern many homeowners have is whether ceiling insulation installation could damage their existing ceilings.

Our experienced installers take great care while working inside roof spaces.

We avoid placing unnecessary weight directly onto ceiling boards and use the roof structure for support wherever possible.

During installation we:

Protect ceiling finishes.
Avoid unnecessary disturbance inside the home.
Keep work areas clean.
Minimise dust entering occupied rooms.
Remove installation offcuts.
Complete a final inspection before leaving the site.

Our goal is to leave your property clean while delivering a professional installation that will continue performing for decades.

Replacing Old or Damaged Insulation

Not every roof space is empty when we arrive.

Many older homes already contain insulation that has deteriorated over time or no longer provides effective thermal performance.

During our inspection, we assess the condition of any existing insulation before making recommendations.

Replacement may be advisable where insulation has been:

Damaged by roof leaks.
Flattened through repeated foot traffic.
Disturbed during electrical work.
Contaminated by rodents or birds.
Incorrectly installed.
Left with large uncovered gaps.
Compressed beneath stored items.

Where suitable, existing insulation may remain in place. In other cases, replacing it with new Knauf insulation can significantly improve the building’s thermal efficiency and overall comfort.

Renovation and Extension Projects

Home renovations often provide an ideal opportunity to improve insulation before new ceilings are installed.

We regularly work on:

Home extensions.
Second-storey additions.
Roof replacements.
Ceiling replacements.
Loft conversions.
Office renovations.
Commercial refurbishments.

By incorporating Knauf insulation into these projects, property owners improve long-term energy efficiency while avoiding the additional cost of installing insulation after construction has been completed.

Every Roof Space is Different

No two roof spaces are the same.

Factors such as roof pitch, truss spacing, ceiling design, access limitations and building services all influence the installation process.

Before starting work, our experienced team develops an installation plan that ensures every accessible section of the ceiling receives the correct insulation coverage.

This attention to detail helps eliminate thermal weak points while ensuring the insulation performs to its full potential throughout the life of the building.

Professional Installation Delivers Long-Term Performance

Whether we are insulating a brand-new luxury home, upgrading a family residence or completing a large commercial project, our installation standards remain the same.

Every project is completed with careful planning, quality workmanship and attention to detail.

With over 36 years of insulation installation experience, Cape Ceilings & Drywalling has built a reputation for reliable service, professional advice and installations designed to deliver long-term comfort, lower energy costs and improved building performance.

Our Professional Knauf Insulation Installation Process

At Cape Ceilings & Drywalling, we believe that a successful insulation project begins long before the first roll of Knauf insulation is installed. Careful planning, accurate measurements and professional workmanship ensure your insulation performs as intended for many years to come.

With more than 36 years of industry experience, we have refined our installation process to deliver consistent, high-quality results on every project, whether we are insulating a small residential home or a large commercial facility.

Our systematic approach allows us to minimise disruption, maintain high workmanship standards and provide every customer with complete confidence in the finished installation.

Step 1 – Initial Consultation

Every project begins with a discussion about your building and your requirements.

We take the time to understand:

The type of property.
The age of the building.
Whether it is a new build or an existing home.
Areas that become excessively hot during summer.
Rooms that feel cold during winter.
Any existing insulation.
Noise concerns.
Your energy-saving goals.
Your available budget.

This information helps us recommend the most appropriate Knauf insulation solution for your property.

Step 2 – Roof Inspection and Site Assessment

Before preparing a quotation, we carry out a detailed inspection of the roof space wherever possible.

During this assessment we examine:

Roof construction.
Ceiling layout.
Roof truss spacing.
Available roof access.
Existing insulation.
Electrical wiring.
Plumbing pipes.
Air-conditioning ducting.
Ventilation.
Downlights and ceiling fittings.
General condition of the roof cavity.

This inspection allows us to identify any challenges before installation begins and ensures the correct quantity of insulation is calculated.

Step 3 – Accurate Measurements and Quantity Calculations

Correct material calculations are essential for a successful insulation project.

Our team carefully measures:

Ceiling area.
Roof dimensions.
Roof sections.
Complex ceiling layouts.
Double-volume areas.
Bulkheads.
Access limitations.

Using these measurements, we calculate exactly how many rolls of Knauf insulation are required.

Accurate calculations help minimise unnecessary waste while ensuring complete ceiling coverage.

Step 4 – Selecting the Right Knauf Insulation

Not every building requires the same insulation thickness.

After evaluating your property, we recommend the most suitable Knauf product based on:

Roof design.
Climate conditions.
Energy efficiency goals.
Budget.
Ceiling construction.
Building regulations.
Intended use of the building.

For example:

135mm Knauf is ideal for maximum thermal performance and long-term energy savings.
100mm Knauf offers an excellent balance between performance and affordability.
75mm Knauf suits many residential upgrades and renovation projects.
50mm Knauf is a practical solution where roof space is limited or moderate insulation levels are appropriate.

We explain the advantages of each option so you can make an informed decision.

Step 5 – Detailed Quotation

Our quotations are clear, transparent and easy to understand.

They typically include:

Recommended Knauf insulation thickness.
Total ceiling area.
Material requirements.
Installation costs.
Any preparation work required.
Estimated project duration.
Warranty information.

We believe customers should understand exactly what is included before work begins, with no hidden costs or surprises.

Step 6 – Preparing for Installation

Before installation starts, our team prepares the work area to ensure the project runs safely and efficiently.

Preparation may include:

Protecting access areas.
Confirming safe roof access.
Checking weather conditions where applicable.
Verifying electrical safety.
Organising insulation materials.
Preparing installation equipment.
Reviewing the installation plan with the team.

Good preparation helps minimise delays and contributes to a smooth installation process.

Step 7 – Professional Knauf Insulation Installation

Once preparation is complete, our experienced installers begin fitting the insulation.

Every roll is carefully:

Measured.
Cut where required.
Positioned between roof trusses.
Installed without unnecessary compression.
Fitted tightly around roof members.
Adjusted around electrical cables and plumbing.
Laid to provide continuous coverage.

Special attention is given to:

Roof edges.
Valleys.
Narrow roof sections.
Ceiling access points.
Areas around downlights.
Air-conditioning ducting.
Structural bracing.

This detailed approach helps eliminate thermal bridges and ensures the insulation performs as designed.

Step 8 – Quality Control Inspection

Once installation has been completed, we carry out a comprehensive quality inspection.

This final inspection confirms that:

All accessible ceiling areas have been insulated.
No significant gaps remain.
The insulation has not been unnecessarily compressed.
Roof services remain accessible.
Electrical wiring has not been disturbed.
The roof space has been left neat and safe.

Attention to detail at this stage helps ensure consistent thermal and acoustic performance throughout the building.

Step 9 – Site Clean-Up

Professional workmanship extends beyond the installation itself.

After completing the project, our team:

Removes insulation offcuts.
Cleans the work area.
Removes packaging materials.
Leaves roof access areas tidy.
Conducts a final check before leaving site.

We aim to leave every property in the same condition we found it—only now with the added benefit of professionally installed Knauf insulation.

Step 10 – Project Handover and Workmanship Warranty

Before the project is signed off, we walk the customer through the completed installation and answer any remaining questions.

We also provide guidance on:

The expected performance of the insulation.
Long-term energy-saving benefits.
Roof maintenance considerations.
Future electrical or plumbing work within the roof space.
Protecting the insulation from unnecessary damage.

Every installation completed by Cape Ceilings & Drywalling is backed by our 5-Year Workmanship Warranty, giving you added peace of mind that your insulation has been installed by experienced professionals committed to quality workmanship.

Our objective is not simply to install insulation, but to deliver a long-lasting solution that improves comfort, reduces energy costs and adds value to your property for many years to come.

Roof Types We Install Knauf Insulation In

Every roof structure presents its own challenges, and there is no one-size-fits-all approach to insulation installation. The roof design, truss system, roof covering, ceiling layout and available access all influence how the insulation should be installed to achieve the best possible thermal and acoustic performance.

At Cape Ceilings & Drywalling, we have more than 36 years of experience installing insulation in virtually every type of residential, commercial and industrial roof throughout Cape Town and the Western Cape. Before work begins, we carefully inspect the roof structure to determine the safest and most effective installation method.

Whether your property has traditional timber trusses, lightweight steel trusses, concrete roof slabs or large industrial roofing systems, we ensure the insulation is fitted professionally with complete coverage wherever practical.

Pitched Tile Roofs

Concrete and clay tiled roofs remain one of the most common roofing systems found in South African homes.

These roof structures generally provide excellent access for insulation installation, allowing Knauf insulation to be placed neatly between the roof trusses above the ceiling.

When installing insulation beneath tiled roofs, we ensure:

Continuous ceiling coverage.
Accurate fitting between trusses.
Minimal compression of the insulation.
Proper installation around electrical wiring.
Full expansion of the insulation to maintain its thermal performance.

Professionally installed Knauf insulation beneath tiled roofs significantly reduces heat entering the home during summer while helping retain warmth throughout winter.

Corrugated Iron Roofs

Corrugated metal roofs absorb a considerable amount of solar heat during the day and can lose heat rapidly during colder weather.

Without insulation, indoor temperatures beneath metal roofs can become uncomfortable, particularly during the hottest months of the year.

Installing Knauf insulation beneath corrugated roofing helps:

Reduce radiant heat transfer.
Improve indoor comfort.
Lower cooling costs.
Reduce heat loss during winter.
Minimise condensation under certain conditions.
Improve overall energy efficiency.

This makes Knauf insulation an excellent choice for both residential and commercial corrugated roof structures.

IBR Roof Sheeting

IBR roofing is widely used on factories, warehouses, offices and modern residential buildings.

Its large uninterrupted roof areas can result in significant heat gain if left uninsulated.

Our installation teams regularly install Knauf insulation beneath IBR roofing for:

Commercial buildings.
Warehouses.
Distribution centres.
Manufacturing facilities.
Office developments.
Agricultural buildings.
Retail premises.

Correct installation helps create a more comfortable working environment while reducing the energy required to cool large interior spaces.

Chromadek and Colour-Coated Metal Roofs

Modern homes and commercial buildings frequently use Chromadek or other colour-coated steel roofing systems.

Although these roofing materials are durable and attractive, they still absorb substantial solar heat.

Installing Knauf insulation beneath these roofs helps:

Improve year-round comfort.
Reduce ceiling temperatures.
Lower electricity consumption.
Improve HVAC efficiency.
Reduce thermal fluctuations.

The result is a more comfortable indoor environment regardless of the season.

Timber Roof Trusses

Traditional timber roof trusses are found in thousands of South African homes.

Knauf insulation is particularly well suited to these roof structures because the insulation rolls fit neatly between the truss members while maintaining continuous ceiling coverage.

Our installers carefully work around:

Timber bracing.
Roof supports.
Electrical cables.
Plumbing pipes.
Ceiling access points.

Every effort is made to maximise insulation coverage without compromising access to essential building services.

Lightweight Steel Roof Trusses

Lightweight steel roof trusses have become increasingly popular due to their strength, dimensional stability and resistance to termites.

Installing insulation within steel roof structures requires careful planning because of the additional bracing members often present.

Our experienced installers ensure:

Accurate fitting between trusses.
Continuous insulation coverage.
Professional installation around steel members.
Safe access throughout the roof space.

Correct installation helps maintain the thermal efficiency of modern steel-framed buildings.

Suspended Ceilings

Knauf insulation is commonly installed above suspended ceiling systems found in:

Office buildings.
Shopping centres.
Medical facilities.
Educational buildings.
Hotels.
Government offices.
Retail premises.

Insulation above suspended ceilings improves both thermal performance and acoustic comfort while helping reduce operating costs associated with heating and cooling.

Double-Volume and High Ceilings

Homes with double-volume living areas often experience significant heat accumulation near the roof.

Without adequate insulation, these spaces can become uncomfortable during summer and expensive to heat during winter.

Professional installation of Knauf insulation helps:

Reduce heat transfer.
Improve temperature consistency.
Lower heating and cooling costs.
Improve comfort in large open spaces.

Proper planning is especially important in these areas due to the increased roof height and more complex roof structures.

Flat Roof Systems

Some modern homes and commercial buildings incorporate flat or low-pitched roof designs.

Depending on the roof construction, Knauf insulation can often be installed above the ceiling structure to improve thermal performance and reduce indoor temperature fluctuations.

Every flat roof project is individually assessed to determine the most appropriate insulation method.

Industrial Factories

Large factory roofs can expose employees and machinery to extreme temperatures.

Installing Knauf insulation beneath industrial roofing helps create a more stable working environment by reducing heat entering through the roof during summer and slowing heat loss during winter.

Industrial projects commonly include:

Manufacturing facilities.
Processing plants.
Engineering workshops.
Assembly plants.
Packaging facilities.
Distribution centres.

Our installation teams have extensive experience working safely within operational industrial environments.

Warehouses and Storage Facilities

Warehouses often contain valuable stock that can be affected by excessive heat.

Knauf insulation helps create more stable internal conditions while reducing the operating costs of climate control systems.

Benefits include:

Improved employee comfort.
Better storage conditions.
Reduced roof heat gain.
Lower cooling costs.
Increased energy efficiency.

Agricultural Buildings

Many agricultural buildings benefit from professional insulation installation.

Applications include:

Packhouses.
Machinery sheds.
Storage facilities.
Farm offices.
Processing buildings.
Staff accommodation.
Agricultural workshops.

Improved temperature control can make these facilities more comfortable while helping protect equipment and stored products.

Roof Renovations and Extensions

When replacing roofing materials or extending an existing property, it is the ideal opportunity to install or upgrade ceiling insulation.

Our team works closely with builders and contractors to ensure Knauf insulation is installed at the correct stage of construction.

This approach allows complete insulation coverage before the project is completed, avoiding unnecessary disruption later.

Every Roof is Professionally Assessed

No two buildings are exactly alike. Roof pitch, truss spacing, ceiling design, access limitations and building services all influence the installation process.

Before starting any project, our experienced team carefully evaluates:

Roof construction.
Ceiling type.
Available roof access.
Structural layout.
Existing insulation.
Electrical installations.
Ventilation systems.
Plumbing services.
Safety considerations.

This detailed assessment allows us to recommend the most suitable Knauf insulation solution while ensuring every installation is completed safely, efficiently and to the highest professional standard.

By adapting our installation methods to suit each roof type, we maximise the long-term thermal and acoustic performance of your Knauf insulation investment.

How Knauf Insulation Improves Energy Efficiency

Energy efficiency has become one of the biggest priorities for homeowners and businesses throughout South Africa. Rising electricity costs, increasing demand on heating and cooling systems, and the desire for more comfortable indoor living have made ceiling insulation one of the most cost-effective building improvements available.

Knauf insulation is designed to reduce the transfer of heat through the roof, helping buildings remain cooler during hot summer months and warmer during winter. When professionally installed, it creates a thermal barrier that slows the movement of heat, allowing indoor temperatures to remain far more stable throughout the day and night.

At Cape Ceilings & Drywalling, we have seen first-hand how professionally installed Knauf insulation transforms homes, offices and commercial buildings by improving comfort while reducing long-term energy consumption.

Understanding Heat Transfer

Many people assume that the walls are responsible for most of the heat entering a building. In reality, the roof is often the largest source of unwanted heat gain during summer and one of the biggest areas of heat loss during winter.

As the sun heats the roof covering, that heat is transferred into the roof space. Without insulation, the heat passes through the ceiling and into the occupied rooms below, causing indoor temperatures to rise significantly.

During winter, the opposite occurs. Warm air generated by heaters and fireplaces naturally rises towards the ceiling. Without insulation, much of this valuable heat escapes through the roof, making the building colder and increasing heating costs.

Knauf insulation slows this heat transfer, helping maintain a comfortable indoor environment throughout the year.

Summer Comfort

Cape Town summers can place considerable strain on buildings, particularly those with tiled or metal roofs exposed to direct sunlight for many hours each day.

Without insulation, roof spaces can become extremely hot, allowing heat to radiate through the ceiling and into living or working areas.

Professionally installed Knauf insulation helps by:

Reducing heat entering through the ceiling.
Slowing radiant heat transfer.
Keeping indoor temperatures more comfortable.
Reducing the need for air conditioners.
Improving comfort during heatwaves.
Creating a more pleasant indoor environment.

Many homeowners notice that rooms remain cooler for longer, even during the hottest part of the day.

Winter Warmth

Winter presents a different challenge.

As indoor heating warms the air inside the building, that warm air naturally rises towards the ceiling. Without insulation, a large portion of this warmth escapes into the roof space and is eventually lost through the roof.

Knauf insulation helps retain this valuable heat by slowing its movement through the ceiling.

Benefits include:

Warmer living areas.
More comfortable bedrooms.
Reduced reliance on heaters.
Improved overnight temperatures.
Better overall comfort during winter.

Rather than constantly replacing lost heat, your heating system works more efficiently because the warmth remains inside the building for longer.

Lower Electricity Bills

One of the biggest reasons homeowners choose Knauf insulation is the potential to reduce electricity consumption.

Heating and cooling systems are among the largest energy users in most buildings. By reducing heat gain during summer and heat loss during winter, insulation helps these systems operate more efficiently.

This may result in:

Reduced air-conditioner running time.
Lower heating costs.
Less demand on electrical appliances.
Improved energy efficiency.
Long-term savings on electricity bills.

Although the exact savings vary depending on the building and how it is used, professionally installed insulation is widely regarded as one of the most effective long-term energy-saving improvements available.

Reduced Load on Heating and Cooling Systems

Heating and cooling equipment performs best when indoor temperatures remain relatively stable.

Without insulation, these systems work harder because heat constantly enters or leaves the building through the roof.

Knauf insulation reduces this workload by helping maintain a more consistent indoor temperature.

Potential benefits include:

Reduced wear on air-conditioning systems.
Less strain on heaters.
Improved HVAC efficiency.
Lower maintenance requirements.
Extended equipment lifespan.

Reducing the workload on climate control systems can contribute to lower operating costs over many years.

Improved Indoor Comfort Throughout the Year

Energy efficiency is important, but comfort is equally valuable.

Professionally installed Knauf insulation creates living and working spaces that feel noticeably more comfortable throughout every season.

Instead of experiencing extreme temperature changes between day and night, insulated buildings generally maintain a more stable indoor climate.

Occupants often notice:

Fewer hot spots.
More even room temperatures.
Reduced draughts caused by temperature differences.
Improved sleeping comfort.
Better workplace conditions.
More enjoyable living spaces.

This enhanced comfort is one of the reasons insulation continues to add value long after installation has been completed.

Long-Term Return on Investment

Unlike many home improvements that require ongoing maintenance or regular replacement, ceiling insulation continues performing year after year with very little attention.

Once correctly installed, Knauf insulation can provide decades of reliable thermal performance while helping reduce energy consumption throughout its service life.

The long-term benefits may include:

Continuous energy savings.
Increased property value.
Lower operating costs.
Improved building efficiency.
Reduced environmental impact.
Enhanced comfort for occupants.

For many property owners, ceiling insulation is an investment that continues delivering value every day.

Supporting a More Sustainable Future

Improving energy efficiency also reduces the overall demand for electricity.

By helping buildings maintain comfortable temperatures naturally, Knauf insulation supports more sustainable construction practices and contributes to lower energy consumption over the life of the building.

Knauf insulation is manufactured using recycled glass and advanced ECOSE® Technology, reflecting the company’s commitment to producing insulation products with a reduced environmental impact.

Choosing professional insulation installation is therefore not only beneficial for your property but also supports responsible energy use and sustainable building practices.

Professional Installation Maximises Energy Performance

Even the highest-quality insulation cannot perform properly if it is installed incorrectly.

Gaps, compression, poorly fitted sections or incomplete coverage can all reduce the insulation’s effectiveness and create thermal weak points within the building.

At Cape Ceilings & Drywalling, every installation is carried out with careful attention to detail to ensure the insulation delivers the performance it was designed to achieve.

Our experienced installers:

Measure accurately.
Fit insulation neatly between roof trusses.
Avoid unnecessary compression.
Minimise thermal gaps.
Work carefully around electrical services.
Inspect the completed installation before handover.

This professional approach helps ensure your Knauf insulation provides reliable thermal performance, improved comfort and long-term energy savings for many years to come.

Fire Safety and Moisture Resistance

When selecting ceiling insulation, thermal performance is only one part of the decision. Property owners also want to know that the insulation contributes to a safer, healthier and more durable building.

Knauf insulation is manufactured from high-quality glasswool and is designed to provide excellent thermal and acoustic performance while also offering outstanding fire and moisture characteristics. These qualities make it a popular choice for residential homes, schools, hospitals, offices, factories and commercial developments throughout South Africa.

At Cape Ceilings & Drywalling, we ensure every Knauf insulation installation is completed with safety as a priority. Before work begins, we inspect the roof space for any issues that could affect the installation or the long-term performance of the insulation.

Fire Performance of Knauf Insulation

Knauf glasswool insulation is manufactured using non-combustible glass fibres. This means the insulation itself does not act as a fuel source in the event of a fire.

Although ceiling insulation cannot prevent a fire from starting, selecting a non-combustible insulation product can contribute to safer building design and may help slow the spread of heat through roof spaces.

For this reason, Knauf insulation is widely specified in:

Residential homes
Apartment buildings
Schools
Universities
Hospitals
Commercial offices
Hotels
Shopping centres
Factories
Warehouses
Government buildings

Its fire performance is one of the reasons architects and consulting engineers frequently include Knauf insulation in modern building specifications.

Why Fire Safety Matters

The roof space contains many services that require careful consideration during installation, including electrical wiring, junction boxes, extractor fans and lighting.

Before installing insulation, our experienced team carries out a visual inspection of the roof cavity to identify anything that requires attention.

Where appropriate, we may recommend that electrical faults or damaged wiring be repaired by a qualified electrician before insulation is installed.

This approach helps ensure the roof space remains safe while protecting the long-term performance of the insulation.

Professional Installation Supports Fire Safety

Correct installation plays an important role in maintaining a safe roof space.

Our installers take care to:

Work around electrical wiring without causing damage.
Avoid covering components that require ventilation where applicable.
Follow good installation practices around lighting and electrical services.
Leave access to important roof equipment where required.
Keep the roof space clean and organised during installation.

Our objective is to complete every project safely while maintaining the integrity of the roof structure and building services.

Moisture Resistance

Cape Town experiences a Mediterranean climate with dry summers and wet winters. During the rainy season, roof spaces may be exposed to increased humidity, while coastal properties can experience higher moisture levels throughout the year.

Knauf insulation is designed to perform reliably under normal building conditions when installed in a dry, well-maintained roof space.

The glasswool fibres themselves do not support mould growth or rot, making Knauf insulation a durable choice for residential and commercial buildings.

However, like any insulation product, it performs best when the roof remains weatherproof and free from leaks.

Resistance to Mould and Mildew

One concern homeowners often have is whether insulation can encourage mould or mildew.

Glasswool insulation does not provide a food source for mould, fungi or mildew. When installed in a roof space that is properly ventilated and protected from water ingress, Knauf insulation helps maintain a healthy indoor environment.

If a roof develops a leak, it is important to repair the source of the water promptly. Addressing roof maintenance issues early helps protect not only the insulation but also the roof structure and ceiling finishes.

Condensation Control

Condensation can occur when warm, moisture-laden air comes into contact with cooler surfaces.

While insulation is not a substitute for proper roof ventilation, it can contribute to more stable temperature conditions within the building, reducing the likelihood of condensation forming on interior ceiling surfaces under normal operating conditions.

For buildings with specialised moisture-control requirements, we can also advise on suitable roof ventilation and complementary insulation solutions.

Coastal Performance

Properties located near the coast often experience increased humidity and exposure to salt-laden air.

Knauf insulation is widely used throughout the Western Cape, including coastal areas, because it provides reliable thermal performance in these environments when installed correctly and protected by a sound roof covering.

Whether your property is located in:

Blouberg
Table View
Melkbosstrand
Langebaan
Saldanha
Vredenburg
Yzerfontein
St Helena Bay
Paternoster

Or anywhere else along the West Coast, professionally installed Knauf insulation can help improve indoor comfort while supporting long-term energy efficiency.

Long-Term Durability

Ceiling insulation is a long-term investment, and durability is one of its greatest advantages.

Once professionally installed and protected from roof leaks or physical damage, Knauf insulation is designed to continue providing thermal and acoustic performance for many years.

Unlike products that require regular servicing or replacement, ceiling insulation generally requires very little maintenance.

Its long service life makes it one of the most cost-effective improvements you can make to a home or commercial building.

Looking After Your Insulation

Although maintenance requirements are minimal, we recommend that homeowners inspect their roof space periodically, particularly after severe storms or roof repairs.

During these inspections, check for:

Signs of roof leaks.
Damaged roof tiles or sheeting.
Water staining on the ceiling.
Disturbed insulation following electrical work.
Rodent activity.
Stored items are compressing the insulation.

If any of these issues are identified, they should be addressed promptly to maintain the insulation’s performance.

A Safe, Reliable and Long-Lasting Insulation Solution

Choosing Knauf insulation means investing in more than energy efficiency. It also means selecting a product that offers dependable fire performance, long-term durability and reliable resistance to the everyday conditions found in South African roof spaces.

Combined with professional installation by Cape Ceilings & Drywalling, Knauf insulation provides a solution that helps create buildings that are more comfortable, more energy efficient and built to perform for decades.

Why Choose Cape Ceilings & Drywalling for Knauf Insulation Installation?

Choosing the right insulation is only part of the equation. The quality of the installation has a direct impact on how well your insulation performs over the years. Even a premium product such as Knauf insulation can lose much of its effectiveness if it is installed incorrectly.

At Cape Ceilings & Drywalling, we combine more than 36 years of insulation experience with skilled workmanship, careful planning and a commitment to customer satisfaction. Our reputation has been built by delivering reliable insulation solutions for homeowners, builders, architects, developers, commercial property owners and industrial clients throughout Cape Town and the Western Cape.

Whether we are insulating a single residential property or a large commercial development, every project receives the same level of attention to detail and professional care.

More Than 36 Years of Industry Experience

Experience matters when working inside roof spaces.

Over the past three decades, we have installed insulation in thousands of different buildings, each with its own roof design, access challenges and performance requirements.

Our experience includes:

Residential homes
Luxury homes
Apartment developments
Schools
Universities
Hospitals
Hotels
Office buildings
Shopping centres
Warehouses
Manufacturing facilities
Agricultural buildings
Government projects
Renovation projects
New housing developments

This broad experience enables us to recommend practical insulation solutions that are suited to each project rather than taking a one-size-fits-all approach.

Insulation Specialists

Unlike general contractors who occasionally install insulation, ceiling insulation is one of our core areas of expertise.

Because we specialise in insulation, we understand the details that influence long-term performance, including:

Selecting the correct insulation thickness.
Accurate quantity calculations.
Proper fitting between roof trusses.
Avoiding unnecessary compression.
Maintaining continuous thermal coverage.
Working safely around electrical services.
Achieving neat, professional installations.

Our knowledge allows us to complete installations efficiently while maintaining high workmanship standards.

Professional Advice You Can Trust

Every building is different, and selecting the correct insulation should never be based on guesswork alone.

We take the time to understand:

Your building type.
Roof construction.
Ceiling layout.
Energy-saving goals.
Budget.
Future renovation plans.
Noise reduction requirements.

Using this information, we recommend the most suitable Knauf insulation solution for your property.

Our objective is to provide honest advice that helps you make an informed decision with confidence.

Accurate Material Calculations

Ordering too little insulation can delay a project, while ordering too much creates unnecessary expense.

Our experienced team carefully calculates:

Ceiling area.
Roof dimensions.
Complex ceiling layouts.
Bulkheads.
Double-volume spaces.
Access limitations.

These calculations allow us to prepare accurate quotations while ensuring sufficient insulation is available to complete the installation correctly.

High-Quality Workmanship

Quality workmanship is at the heart of every installation we complete.

During installation, our team focuses on:

Accurate measuring.
Neat cutting.
Correct placement between roof trusses.
Continuous insulation coverage.
Minimal thermal gaps.
Professional finishing.
Careful handling of roof services.
Thorough final inspections.

Attention to detail helps maximise the thermal and acoustic performance of your Knauf insulation for many years.

Premium Knauf Insulation Products

We install genuine Knauf insulation products that are recognised for their quality, durability and thermal performance.

Knauf insulation offers:

Excellent thermal efficiency.
Reliable acoustic performance.
ECOSE® Technology.
High-quality glasswool construction.
Long service life.
Excellent value for money.
Environmentally responsible manufacturing.

By combining premium insulation products with professional installation, we provide solutions designed for long-term performance.

Residential, Commercial and Industrial Expertise

Our experience extends across projects of every size.

We regularly complete installations for:

Homeowners.
Property developers.
Building contractors.
Architects.
Commercial property owners.
Industrial facilities.
Schools.
Healthcare providers.
Hospitality businesses.
Government organisations.

Whether the project involves a single room or a large industrial facility, our installation standards remain consistent.

Competitive Installed Pricing

We believe quality insulation should offer excellent value over its entire lifespan.

Our quotations are prepared to provide a balance between:

Quality materials.
Professional workmanship.
Long-term performance.
Reliable service.
Competitive pricing.

Rather than focusing only on the lowest installation cost, we aim to deliver lasting value through installations that continue performing for decades.

Reliable Project Scheduling

We understand the importance of completing projects on time.

Whether you are building a new home, renovating an office or managing a commercial development, we work closely with you to schedule the installation at the most appropriate stage of the project.

Good planning helps minimise delays while allowing other trades to continue working efficiently.

5-Year Workmanship Warranty

We stand behind the quality of our installation work.

Every Knauf insulation installation completed by Cape Ceilings & Drywalling is backed by our 5-Year Workmanship Warranty.

This warranty reflects our confidence in the quality of our workmanship and our commitment to delivering installations that provide reliable performance for years to come.

It also gives our customers added peace of mind knowing that their insulation has been installed by experienced professionals who take pride in their work.

A Reputation Built on Trust

Over more than three decades, we have built lasting relationships with homeowners, builders and commercial clients by delivering dependable service and professional workmanship.

Customers choose us because we offer:

Honest recommendations.
Clear communication.
Accurate quotations.
Experienced installation teams.
High-quality materials.
Professional workmanship.
Reliable after-sales support.
Long-term value.

Our goal is not simply to install insulation but to help every customer create a building that is more comfortable, more energy efficient and more enjoyable to live or work in.

Request Your Knauf Insulation Installation Quote Today

Whether you are insulating a new home, upgrading an existing property or planning a large commercial project, Cape Ceilings & Drywalling is ready to help.

Our experienced team will assess your project, recommend the most suitable Knauf insulation solution and provide a detailed, obligation-free quotation tailored to your requirements.

With more than 36 years of insulation expertise, premium Knauf products, professional installation teams and a 5-Year Workmanship Warranty, you can be confident that your investment is in capable hands.

Contact Cape Ceilings & Drywalling today to request your free quotation and discover how professionally installed Knauf insulation can improve comfort, reduce energy costs and add lasting value to your property.

Frequently Asked Questions About Knauf Insulation Installation

How much does Knauf insulation installation cost?

The cost of Knauf insulation installation depends on several factors, including the size of your ceiling area, the insulation thickness selected, roof accessibility, the complexity of the roof structure and whether the building is new or existing. Larger homes, double-storey properties and commercial buildings may require additional labour due to more complex roof layouts. At Cape Ceilings & Drywalling, we prepare detailed quotations based on accurate site measurements rather than estimates, ensuring you receive a competitive installed price with no unnecessary surprises. Contact us for a free quotation tailored specifically to your property.

Which Knauf insulation thickness should I choose?

The most suitable Knauf insulation thickness depends on your energy-saving goals, your budget and the design of your building. 135mm Knauf provides the highest level of thermal performance and is ideal for homeowners seeking maximum comfort and long-term energy savings. 100mm Knauf is an excellent all-round solution for most homes, while 75mm and 50mm are suitable where roof space is limited or more moderate insulation levels are appropriate. During our site assessment, we will recommend the most suitable option based on your individual requirements.

Is 135mm Knauf insulation worth the extra investment?

For many homeowners, the answer is yes. The thicker insulation provides greater resistance to heat transfer, helping to keep homes cooler during summer and warmer during winter. Over many years, the additional energy savings can offset the higher initial installation cost. If you plan to stay in your home for the long term, 135mm Knauf insulation is often one of the best investments you can make in improving comfort and reducing electricity consumption.

Can Knauf insulation be installed in an existing home?

Absolutely. Many of our projects involve existing homes where no insulation was installed during construction or where older insulation needs upgrading. In most cases, we access the roof space through the ceiling access hatch and install the insulation above the existing ceiling without removing ceiling boards. Before installation, we inspect the roof cavity, electrical services and existing insulation to ensure the project can be completed safely and efficiently.

Can Knauf insulation be installed over existing insulation?

In some situations, yes. If the existing insulation remains in good condition and has been installed correctly, additional insulation may be appropriate. However, if the old insulation has deteriorated, become compressed, been damaged by water or no longer performs effectively, replacement may be the better solution. During our inspection, we assess the existing insulation and recommend the most practical approach for achieving the best long-term thermal performance.

How long does a Knauf insulation installation take?

Installation time depends on the size and complexity of the project. Many average-sized homes can be completed within a single day, while larger homes, commercial buildings or industrial facilities may require additional time. Roof accessibility, ceiling design and weather conditions can also influence installation schedules. Before work begins, we provide an estimated timeframe so you know exactly what to expect.

Will Knauf insulation lower my electricity bill?

Professionally installed Knauf insulation can help reduce electricity consumption by slowing the transfer of heat through your roof. During summer, it reduces heat entering the building, while during winter it helps retain indoor warmth. This allows air conditioners and heaters to operate more efficiently and often for shorter periods. The exact savings vary depending on factors such as the building design, climate, occupancy and energy usage, but insulation is widely regarded as one of the most effective long-term energy-efficiency improvements for homes and commercial buildings.

Does Knauf insulation reduce outside noise?

Yes. In addition to improving thermal comfort, Knauf glasswool insulation also helps reduce the transmission of sound. Homeowners often notice less traffic noise, reduced aircraft noise and quieter indoor living areas after installation. For projects where sound control is especially important, such as offices, hotels or meeting rooms, we can also recommend Knauf Acoustic Roll for drywall partitions and suspended ceiling systems to provide even greater acoustic performance.

Is Knauf insulation safe for homes with children and pets?

Once professionally installed inside the roof space, Knauf insulation is a safe and reliable building product. It remains above the ceiling and does not interfere with the normal use of your home. Knauf’s ECOSE® Technology also reflects the company’s focus on producing high-quality insulation with reduced environmental impact. When installed correctly, the insulation continues performing for many years with very little maintenance required.

How long does Knauf insulation last?

Knauf insulation is designed to provide long-term thermal and acoustic performance. When protected from roof leaks, physical damage and unnecessary disturbance, it can continue performing effectively for decades. Regular roof maintenance and prompt repair of any leaks will help ensure the insulation remains in excellent condition throughout its service life. This durability is one of the reasons ceiling insulation is considered such a valuable long-term investment.

Can Knauf insulation get wet?

Knauf insulation is designed to perform in normal roof environments, but like any insulation product, it should not remain exposed to ongoing water leaks. If a roof leak develops, the source of the leak should be repaired as soon as possible. During our inspections, we check for signs of water damage, damp roof timbers and existing moisture problems before installation begins. Once the roof has been repaired and the roof space is dry, the insulation can continue to provide excellent thermal and acoustic performance. Regular roof maintenance is the best way to protect both your insulation and your home.

Does Knauf insulation help reduce condensation?

Knauf insulation helps create more stable indoor temperatures, which can reduce the conditions that contribute to condensation. However, condensation is influenced by several factors, including humidity levels, ventilation and building design. Insulation works alongside good roof ventilation rather than replacing it. For homes and commercial buildings where condensation has been an issue, we can advise on the most suitable insulation solution and recommend improvements to roof ventilation if required.

Is Knauf insulation fire-resistant?

Knauf glasswool insulation is manufactured from non-combustible glass fibres, making it an excellent choice for buildings where fire performance is an important consideration. While no insulation can prevent a fire from starting, Knauf insulation does not act as a fuel source and contributes to safer building design. Correct installation is equally important, which is why we always inspect the roof space before beginning work and recommend that any damaged electrical wiring or other safety concerns be addressed before insulation is installed.

Can I install Knauf insulation myself?

Although it is possible for experienced DIY enthusiasts to install ceiling insulation, professional installation offers significant advantages. Working inside roof spaces can be physically demanding and may involve electrical wiring, plumbing services, air-conditioning ducts and restricted access. Correctly fitting insulation around these obstacles without leaving gaps requires experience and careful planning. Professional installation also helps ensure the insulation achieves its designed thermal performance and reduces the risk of accidental damage to the ceiling or roof structure.

Do you remove old insulation before installing Knauf insulation?

Where necessary, yes. During our roof inspection, we assess the condition of any existing insulation. If it has been damaged by roof leaks, compressed over time, contaminated by rodents or no longer performs effectively, we may recommend removing and replacing it. In some cases, existing insulation that remains in good condition can be retained as part of the overall insulation system. Every recommendation is based on the specific condition of your roof space.

Can Knauf insulation be installed during winter?

Yes. Winter is actually an excellent time to install ceiling insulation because homeowners often notice the benefits immediately. Once installed, the insulation helps reduce heat loss through the roof, allowing indoor spaces to remain warmer and more comfortable. Installation can be completed throughout the year, although severe weather conditions may occasionally affect scheduling for certain projects. Our team will always advise you if weather conditions are likely to impact the installation programme.

Will Knauf insulation increase the value of my property?

Many buyers appreciate comfortable homes, energy-efficient and less expensive to operate. Professionally installed ceiling insulation can make a property more attractive by improving indoor comfort, reducing energy consumption and demonstrating that the home has been well maintained. While insulation is only one factor influencing property value, it is generally viewed as a worthwhile improvement that adds long-term appeal for future owners or tenants.

Do you install Knauf insulation in commercial and industrial buildings?

Yes. Cape Ceilings & Drywalling has extensive experience installing Knauf insulation in commercial and industrial properties throughout the Western Cape. Our projects include office buildings, schools, hospitals, warehouses, factories, retail centres, hotels, agricultural buildings and government facilities. Whether the project involves a small office or a large industrial complex, we provide the same professional planning, installation and quality workmanship.

Do you provide free quotations for Knauf insulation installation?

Yes. We provide obligation-free quotations based on the specific requirements of your project. Wherever possible, we assess the roof structure, ceiling area and insulation requirements before preparing a detailed quotation. This allows us to recommend the most suitable Knauf insulation thickness, calculate accurate material quantities and provide clear pricing with no hidden surprises. Our goal is to help you make an informed decision based on reliable information and professional advice.

Why should I choose Cape Ceilings & Drywalling for my Knauf insulation installation?

With more than 36 years of insulation installation experience, we understand that every project is unique. We specialise in residential, commercial and industrial insulation and are committed to delivering professional workmanship using genuine Knauf insulation products. Our customers benefit from accurate measurements, honest recommendations, experienced installation teams, competitive installed pricing and a 5-Year Workmanship Warranty. From your initial enquiry through to the final inspection, our focus is on providing reliable service, quality workmanship and insulation solutions that continue delivering comfort and energy savings for many years.

How soon can you install my Knauf insulation?

Installation times depend on our current schedule, the size of your project and whether the insulation is for a new build or an existing property. Smaller residential projects can often be scheduled relatively quickly, while larger commercial and industrial installations may require additional planning. Once your quotation has been accepted, we will confirm an installation date that suits your schedule and ensure all required materials are available before work begins.

What preparation is required before installation?

Very little preparation is required from the homeowner. We simply ask that access to the ceiling hatch or roof space is kept clear and that any valuable items directly beneath the access point are moved if necessary. If your roof space is used for storage, removing stored items before installation allows our team to work safely and efficiently. We will explain any additional preparation that may be required after inspecting your property.

Will the installation create a lot of mess?

Our installation teams take pride in working neatly and professionally. Most of the work takes place inside the roof space, which means there is very little disruption inside the occupied areas of your home or business. We remove insulation offcuts, packaging and other installation waste before completing the project, leaving the work area clean and tidy. Our aim is to complete every installation with minimal inconvenience to our customers.

Can you install Knauf insulation in double-storey homes?

Yes. We regularly install Knauf insulation in double-storey homes, modern architectural properties and luxury residences throughout Cape Town and the Western Cape. Double-storey homes often have more complex roof structures, but our experienced installers carefully assess the roof layout and plan the installation to ensure complete insulation coverage wherever practical. The result is improved comfort on both levels of the home and better overall energy efficiency.

Do I need to leave my home during the installation?

In most cases, no. Because the installation is carried out from within the roof space, homeowners can usually remain in the property while the work is being completed. There may be some movement around the ceiling access point and occasional noise from installers working above the ceiling, but disruption is generally minimal. If a particular project requires special arrangements, we will discuss these with you before installation begins.

Does Knauf insulation attract rodents or insects?

Knauf glasswool insulation is not manufactured from materials that provide a food source for rodents or insects. However, if a roof space already has a rodent problem, it should be addressed as part of the overall maintenance of the building. Keeping the roof structure in good condition, sealing entry points and carrying out routine inspections all help protect the roof space and the insulation over the long term.

Can electrical or plumbing work damage the insulation later?

Future maintenance work inside the roof space can disturb insulation if care is not taken. Electricians, plumbers, solar installers and air-conditioning technicians may need to move sections of insulation to access services. We recommend that any insulation moved during maintenance is carefully repositioned afterwards to maintain continuous ceiling coverage. If significant alterations are planned, we are happy to inspect the insulation afterwards and advise whether any adjustments are required.

Does Knauf insulation require ongoing maintenance?

Knauf insulation requires very little maintenance once it has been professionally installed. We recommend inspecting the roof space periodically for roof leaks, signs of moisture, rodent activity or insulation that may have been disturbed during other maintenance work. If your roof remains weatherproof and the insulation is left undisturbed, it can continue providing reliable thermal and acoustic performance for many years without requiring replacement.

Which areas do you cover for Knauf insulation installation?

Cape Ceilings & Drywalling provides professional Knauf insulation installation throughout Cape Town and the surrounding areas of the Western Cape. We work in residential suburbs, commercial developments, industrial areas, schools, healthcare facilities, warehouses and agricultural properties. If you are unsure whether your location falls within our service area, simply contact us, and our team will be happy to discuss your project and availability.

How do I request a Knauf insulation installation quote?

Requesting a quotation is simple. Contact Cape Ceilings & Drywalling by phone, email or through the enquiry form on our website. We will discuss your project, arrange a site assessment where required, measure the ceiling area, recommend the most suitable Knauf insulation thickness and prepare a detailed, obligation-free quotation. Our experienced team is always happy to answer your questions and help you choose the insulation solution that best suits your property, budget and long-term energy-saving goals.

Conclusion – Invest in Long-Term Comfort with Professional Knauf Insulation Installation

A professionally insulated ceiling is one of the most effective ways to improve the comfort, energy efficiency and value of your property. Whether you are building a new home, renovating an older property or upgrading a commercial facility, Knauf insulation provides reliable thermal and acoustic performance that continues delivering benefits for decades.

At Cape Ceilings & Drywalling, we combine more than 36 years of insulation expertise with premium Knauf products, experienced installation teams and a commitment to quality workmanship. From your initial enquiry through to the final inspection, every installation is completed with care, precision and attention to detail.

When you choose us, you receive more than insulation—you receive professional advice, accurate material calculations, dependable service and the confidence of our 5-Year Workmanship Warranty.

If you are ready to create a cooler home in summer, a warmer home in winter and a more energy-efficient building all year round, contact Cape Ceilings & Drywalling today. We will help you choose the right Knauf insulation solution and provide a competitive installed quotation tailored to your project.

Request your free Knauf Insulation Installation quotation today and experience the difference that professional installation can make.

KNAUF INSULATION INSTALLATION

Knauf Insulation Installation Cape Town

Professional Knauf Ceiling Insulation Installation by Cape Ceilings & Drywalling

Why Choose Knauf Insulation Installation?

What Makes Knauf Insulation Installation

Different?

Why Professional Knauf Insulation Installation Matters

Why Experience Makes a Difference

Table of Contents

Knauf Insulation Thickness Options

135mm Knauf Insulation Installation

Typical applications include:

Advantages of 135mm Knauf Installation

100mm Knauf Insulation Installation

Common applications include:

Benefits include:

75mm Knauf Insulation Installation

Suitable for:

Advantages include:

50mm Knauf Insulation Installation

Typical applications include:

Benefits include:

Knauf Acoustic Insulation Installation

What is Knauf Acoustic Roll?

Where is Knauf Acoustic Insulation Installed?

Residential Homes

Commercial Buildings

Educational Facilities

Healthcare Facilities

Hospitality Industry

Industrial Applications

Benefits of Professional Acoustic Insulation Installation

Acoustic Insulation for Drywall Systems

Acoustic Ceiling Installation

Professional Installation Makes All the Difference

Why Choose Cape Ceilings & Drywalling for Acoustic Insulation?

Where Can Knauf Insulation Be Installed?

Knauf Insulation for Residential Homes

Townhouses and Residential Estates

Apartment Buildings

Commercial Office Buildings

Schools and Educational Facilities

Hospitals and Medical Facilities

Hotels, Guest Houses and Hospitality Venues

Warehouses and Distribution Centres

Industrial Buildings and Factories

Retail Stores and Shopping Centres

Agricultural and Farm Buildings

Wine Estates and Cellars

Churches and Community Buildings

New Builds and Renovation Projects

Professional Installation for Every Building

New Homes vs Existing Homes – Knauf Insulation Installation

Knauf Installation in New Homes

Benefits of Installing During Construction

Knauf Installation in Existing Homes

Working Safely Inside Existing Roof Spaces

Protecting Your Existing Ceiling

Replacing Old or Damaged Insulation

Renovation and Extension Projects

Every Roof Space is Different

Professional Installation Delivers Long-Term Performance

Our Professional Knauf Insulation Installation Process

Step 1 – Initial Consultation

Step 2 – Roof Inspection and Site Assessment

Step 3 – Accurate Measurements and Quantity Calculations

Step 4 – Selecting the Right Knauf Insulation

Step 5 – Detailed Quotation

Step 6 – Preparing for Installation

Step 7 – Professional Knauf Insulation Installation

Step 8 – Quality Control Inspection

Step 9 – Site Clean-Up

Step 10 – Project Handover and Workmanship Warranty

Roof Types We Install Knauf Insulation In

Pitched Tile Roofs

Corrugated Iron Roofs

IBR Roof Sheeting

Chromadek and Colour-Coated Metal Roofs

Timber Roof Trusses

Lightweight Steel Roof Trusses