Knauf Insulation Cape Town

Knauf Insulation has become one of the most trusted names in ceiling insulation throughout South Africa, offering homeowners, businesses and developers a reliable solution for improving energy efficiency and indoor comfort. Manufactured using advanced glass mineral wool and innovative ECOSE® Technology, Knauf insulation provides outstanding thermal and acoustic performance while remaining environmentally responsible.

Whether you are building a new home, renovating an existing property or improving the energy efficiency of a commercial building, Knauf ceiling insulation is designed to reduce heat transfer through the roof, creating a more comfortable indoor environment throughout the year.

During Cape Town’s hot summers, a properly insulated ceiling helps reduce heat entering your home, keeping living spaces noticeably cooler. In winter, the insulation slows heat loss through the roof, helping maintain comfortable indoor temperatures and reducing the need for constant heating. The result is a home or workplace that is more comfortable while consuming less energy.

Beyond thermal performance, Knauf insulation also provides excellent acoustic benefits. Its dense glass mineral wool fibres help absorb sound, reducing noise transfer between rooms and minimising outside noise entering the building. This makes it an excellent choice for homes, offices, schools, healthcare facilities and commercial buildings where comfort and quieter indoor environments are important.

At Cape Ceilings & Drywalling, we have worked with a wide range of insulation products over the past 36 years, allowing us to recommend the most suitable solution for each project. Our experience enables us to install Knauf insulation correctly to maximise its thermal performance and ensure long-term durability.

Not all insulation products are manufactured to the same standard. Knauf Insulation is recognised worldwide for combining high-performance thermal insulation with environmentally conscious manufacturing practices.

One of the product’s defining features is ECOSE® Technology, an innovative plant-based binder that replaces traditional formaldehyde-based binders commonly used in some insulation products. This technology gives Knauf insulation its distinctive natural brown colour while creating a product that is softer to handle and manufactured with a focus on sustainability.

Knauf insulation is designed to provide:

• Excellent thermal performance.
• Effective sound absorption.
• Non-combustible fire performance.
• Long-term dimensional stability.
• Moisture resistance under normal building conditions.
• Improved indoor comfort.
• Lower household energy consumption.
• Reduced environmental impact.

These qualities have made Knauf insulation a preferred choice for architects, builders, contractors and homeowners looking for a dependable insulation solution that performs well for many years.

Choosing quality ceiling insulation is an investment that continues to deliver benefits long after installation.

Improved Energy Efficiency

A significant amount of unwanted heat enters and escapes through an uninsulated roof. Knauf insulation slows this heat transfer, helping maintain comfortable indoor temperatures while reducing reliance on heating and cooling systems.

Comfortable Living Throughout the Year

Instead of experiencing extremely hot rooms during summer and cold rooms during winter, properly insulated ceilings help create a more consistent indoor temperature.

Lower Electricity Costs

Because heating and cooling systems do not need to work as hard, many homeowners notice reduced electricity consumption after installing quality ceiling insulation.

Excellent Acoustic Performance

Knauf’s glass mineral wool structure absorbs sound waves, helping reduce noise from rain, traffic and neighbouring properties while improving privacy between rooms.

Fire Safety

Glass mineral wool insulation is naturally non-combustible, adding another layer of protection to residential and commercial buildings.

Sustainable Manufacturing

ECOSE® Technology reflects Knauf’s commitment to producing insulation using more environmentally responsible manufacturing processes without compromising performance.

Every property has different insulation requirements. The best thickness depends on factors such as roof design, local climate, ceiling construction and whether the building is new or existing. Its versatility makes it one of the most widely used ceiling insulation products in South Africa.

Knauf insulation is suitable for a wide range of buildings, including:

Even the highest-quality insulation product cannot deliver its full performance if it is installed incorrectly.

At Cape Ceilings & Drywalling, we have spent more than 36 years installing insulation systems across residential, commercial and industrial buildings. During that time, we’ve seen how poor installation can reduce the effectiveness of even the best insulation products.

Professional ceiling installation ensures the insulation performs exactly as the manufacturer intended.

Our installation process includes:

• Inspecting the roof structure before installation.
• Checking for roof leaks and moisture problems.
• Measuring ceiling joist spacing.
• Installing each roll without compressing the fibres.
• Ensuring complete coverage with no gaps.
• Working carefully around electrical wiring and services.
• Maintaining ventilation within the roof space.
• Leaving the roof clean and ready for immediate use.

Correct installation maximises thermal performance, improves energy efficiency and helps ensure the insulation lasts for decades.

Unfortunately, we frequently inspect homes where insulation has been installed incorrectly. Some of the most common problems include:

Every insulation product has strengths, and the best choice depends on the building, budget and project requirements.

Knauf vs Aerolite

Both products are high-quality glass mineral wool insulation systems offering excellent thermal and acoustic performance. Knauf’s ECOSE® Technology gives it a softer feel and reflects its focus on environmentally responsible manufacturing.

Knauf vs Factorylite

Factorylite provides reliable thermal insulation and represents excellent value. Knauf is often selected where customers prefer ECOSE® Technology or are looking for specific performance characteristics.

Knauf vs Isoboard

Isoboard is a rigid extruded polystyrene board, not a flexible glass mineral wool blanket. It is commonly installed as a ceiling board system and offers a different installation method and appearance.

Knauf vs Summit XPS

Summit XPS boards provide high compressive strength and excellent moisture resistance, making them suitable for specialised applications where rigid insulation boards are preferred.

Choosing the right product depends on your property, performance expectations and budget. We are happy to recommend the most suitable solution after assessing your project.

For more than 36 years, Cape Ceilings & Drywalling has been helping homeowners, businesses and contractors improve their properties with professionally installed ceiling systems and insulation solutions.

When you choose us, you benefit from:

• Over 36 years of industry experience.
• Residential, commercial and industrial expertise.
• Professional installation teams.
• Honest, practical advice.
• High-quality workmanship.
• Reliable project management.
• Competitive quotations.
• Local knowledge of Cape Town and the West Coast.
• Commitment to customer satisfaction.

Our goal is not simply to install insulation but to provide a solution that improves comfort, energy efficiency and long-term value.

What is Knauf insulation made from?

Knauf insulation is manufactured from glass mineral wool using advanced ECOSE® Technology.

Is Knauf insulation safe?

Yes. When professionally installed and handled in accordance with the manufacturer’s recommendations, Knauf insulation is safe for residential and commercial buildings.

How long does Knauf insulation last?

A correctly installed insulation system can provide reliable thermal performance for many decades.

Does Knauf insulation reduce electricity costs?

By reducing heat transfer through the roof, Knauf insulation helps improve energy efficiency and can reduce heating and cooling costs.

Does Knauf insulation reduce noise?

Yes. Glass mineral wool provides excellent acoustic performance and helps reduce sound transmission.

Can Knauf insulation be installed in existing homes?

Absolutely. Many existing homes can be upgraded without major structural changes.

Is Knauf suitable for coastal areas?

Yes. It is widely used throughout Cape Town and the Western Cape.

Which thickness is best?

For many homes, 100mm offers an excellent balance of performance and value, while 135mm provides the highest level of thermal performance.

How long does installation take?

Most residential projects are completed in a single day, depending on the roof’s size and complexity.

Do you supply and install?

Yes. We provide expert advice, supply high-quality insulation products and offer professional installation services.

Cape Ceilings & Drywalling also installs:

• Aerolite Insulation
• Factorylite Insulation
• Isoboard Ceiling Boards
• Summit XPS Ceiling Boards

Our experienced team can recommend the most suitable insulation system based on your property, budget and energy-efficiency goals.

Whether you’re building a new home, upgrading an older property or planning a commercial project, Cape Ceilings & Drywalling has the knowledge and experience to help you choose and install the right insulation solution.

With more than 36 years of industry experience, we are committed to delivering high-quality workmanship, honest advice and insulation systems that provide lasting comfort and energy savings.

Contact our team today for a free, no-obligation quotation and discover how Knauf Insulation can improve the comfort and efficiency of your property.

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“In many older Cape Town homes built before ceiling insulation became common, we often find uneven roof truss spacing and older electrical wiring. Before installing Knauf insulation, we inspect the roof cavity, check for leaks and ensure ventilation isn’t blocked. Addressing these issues first helps the insulation perform as intended and protects your investment.”