Insulation has become indispensable to modern construction, advancing energy efficiency, reducing carbon footprints, and promoting sustainable living. Among the many Insulation manufacturers, Knauf Insulation stands tall as a global leader renowned for its cutting-edge solutions and unwavering commitment to environmental stewardship. With three Knauf Ceiling Insulation Products: 135mm Knauf Insulation, 100mm Knauf Insulation and 50mm Knauf Insulation.
Knauf Insulation Specifications
The
new SANS legislation in South Africa has set an R-value for all regions. For example, the Western Cape region and all inland areas are specified to have an installed R-value of 3.70. As a result, the coastal regions of KZN are defined to have an installed R-value of 2.70.
135mm Knauf Specifications
- R-value:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 3.38
- Installed R-value:Â Â Â Â Â Â Â 3.78
- NRC:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 1.13
- Thermal Conductivity:Â Â 0.040
- Fire Rating:Â Â Â Â Â Â Â Â Â Â Â Â Euroclass A1 to BS EN 13501-1. A / A1 / 1** SANS 10177-5 A – Non Combustible SANS 10177 -10 A1 – No flame spread
- Roll Length:Â Â Â Â Â Â Â Â Â Â Â Â 7.5m
- Roll Width:Â Â Â Â Â Â Â Â Â Â Â Â Â 1.2m | (cut 800+400) Combi-Cut
- Total m2:Â Â Â Â Â Â Â Â Â Â Â Â Â Â 9m2 | Total Coverage Per Roll
- Thermal Conductivity:Â Â 0.040
- Patented Ecose Technology
- Formaldehyde Free
- Odourless
100mm Knauf Specifications
- R-value:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 2.50
- Installed R-value:Â Â Â Â Â Â 2.90
- NRC:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 1.04
- Thermal Conductivity:Â Â 0.040
- Fire Rating:Â Â Â Â Â Â Â Â Â Â Â Euroclass A1 to BS EN 13501-1. A / A1 / 1** SANS 10177-5 A – Non Combustible SANS 10177 -10 A1 – No flame spread
- Roll Length:Â Â Â Â Â Â Â Â Â Â Â 10.10m
- Roll Width:Â Â Â Â Â Â Â Â Â Â Â 1.2m | (cut 800+400) Combi-Cut
- Total m2:Â Â Â Â Â Â Â Â Â Â Â Â Â 12.12m2 | Total Coverage Per Roll
- Patented Ecose Technology
- Formaldehyde Free
- Odourless
50mm Knauf Specifications
- R-value:Â Â Â Â Â Â Â Â Â Â Â Â Â Â 1.25
- Installed R-value:Â Â Â Â Â Â 1.65
- NRC:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 0.93
- Thermal Conductivity:Â Â 0.040
- Fire Rating:Â Â Â Â Â Â Â Â Â Â Â Euroclass A1 to BS EN 13501-1. A / A1 / 1** SANS 10177-5 A – Non Combustible SANS 10177 -10 A1 – No flame spread
- Roll Length:Â Â Â Â Â Â Â Â Â Â 19m
- Roll Width:Â Â Â Â Â Â Â Â Â Â Â 1.2m | (cut 800+400) Combi-Cut
- Total m2:Â Â Â Â Â Â Â Â Â Â Â Â Â 22.80m2 | Total Coverage Per Roll
- Patented Ecose Technology
- Formaldehyde Free
- Odourless
Knauf Thermal Insulation FAQ
- Can Knauf Ecose Burn? No, it can’t burn. It has one of the best fire ratings available. Euroclass A1 to BS EN 13501-1. A / A1 / 1** SANS 10177-5 A – Non Combustible SANS 10177 -10 A1 – No flame spread
- What is Ecose Technology? ECOSE® Technology is our revolutionary, sustainable, bio-based binder. Invented ten years ago, it is traditionally used in all of our Glass Mineral Wool products and most of our Rock Mineral Wool products. This unique binder is central to our sustainability strategy.
- What Are The Dangers of Formaldehyde? Exposure to Formaldehyde can irritate the skin, eyes, nose, and throat. It can also cause allergic contact dermatitis; high concentrations can cause blisters and hives.
- What is the benefit of Formaldehyde-Free Ceiling Insulation? Formaldehyde is a colourless, flammable chemical with a strong odour that is used in many products and processes:Â
- How Does Knauf Reduce Noise Pollution? Its high Noise Reduction Coefficient (NRC) of 1.13 makes it one of the best Insulation products for soundproofing. The 135mm Knauf Insulation has the highest NRC of 1.13
What Are the Benefits of 100mm Knauf Ecose Insulation?
- It improves indoor temperature by 5 – 8 degrees in summer and winter
- The Insulation reduces noise pollution with a stunning NRC 1.13
- It saves energy on heating and cooling because of its ability to improve indoor temperature
- The Insulation is formaldehyde-free
- Most importantly, the Insulation is non-combustible. It can’t burn or spread flames.
- The Insulation is also odourless.
How to Install Knauf Ecose Insulation
Advantages of ECOSE® Technology:
At the heart of Knauf’s success lies the groundbreaking ECOSE® Technology, a proprietary innovation that has revolutionised the Insulation industry. This cutting-edge technology employs a bio-based binder derived from rapidly renewable and sustainable materials. It will do this by setting new standards for energy efficiency, indoor air quality, and environmental responsibility.
- Formaldehyde-Free: Unlike traditional Insulation binders, ECOSE® Technology eliminates Formaldehyde. This known pollutant can compromise indoor air quality and trigger respiratory issues.
- Phenol-Free: Our Insulation products are free from phenols, as we are committed to creating a healthier living environment.
- Odourless: The absence of harmful chemicals ensures that our Insulation products are odourless, providing a fresh and comfortable indoor atmosphere.
- Sustainable Manufacturing: ECOSE Technology consumes 70% less energy than traditional binders, thereby significantly reducing carbon emissions and promoting a more sustainable manufacturing process.
Earthwool’s Exceptional Features:
Knauf
Thermal Insulation’s flagship product,
Earthwool, is a testament to the company’s commitment to innovation and sustainability. Manufactured using
ECOSE Technology, Earthwool is a high-performance Insulation material that differentiates itself from traditional glass wool Insulation products.
- Natural Brown Colour: Earthwool’s distinctive natural brown hue is achieved through the absence of artificial colourants, further underscoring the brand’s commitment to sustainability.
- High Density: Knauf boasts an impressive density of 12kg and offers superior sound absorption capabilities, creating a quieter and more peaceful indoor environment.
- Soft and Comfortable: Earthwool’s smaller, softer fibres provide a comfortable and itch-free installation experience, making it a preferred choice for professionals and DIY enthusiasts.
- EUROCLASS A1 Fire Rating: Earthwool achieves the highest fire safety rating, classified as non-combustible, ensuring maximum protection for residential and commercial properties.
50mm Knauf Insulation
Sustainability at the Core.
Knauf Thermal Insulation’s commitment to sustainability extends far beyond the manufacturing process. The company has implemented a comprehensive sustainability strategy that encompasses all its operations. This strategy achieves sustainability by sourcing raw materials responsibly, promoting recycling, and effectively managing waste.
Key Sustainability Initiatives:
- Recycled Materials: Knauf Ecose Insulation incorporates recycled materials into its products, reducing the demand for virgin resources and minimising environmental impact.
- Waste Reduction: The company actively reduces waste generation through innovative recycling and reuse programs, promoting a circular economy approach.
- Energy Efficiency: Through continuous investments in energy-efficient technologies and processes, Knauf Ecose Insulation has significantly reduced its energy consumption and associated greenhouse gas emissions.
- Sustainable Building Practices:Â By educating customers and promoting sustainable building practices, Knauf Insulation fosters a culture of environmental responsibility within the construction industry.
Thermal Efficiency Across Product Range:
- 135mm Knauf Insulation: With an R-value of 3.78, this product offers exceptional thermal Insulation, effectively reducing heat loss during winter and minimising solar gain in summer.
- 100mm Knauf Insulation: Featuring an R-value of 2.90, this versatile Insulation solution strikes a balance between thermal efficiency and cost-effectiveness.
- 50mm Knauf Insulation: The 50mm Knauf Insulation delivers an impressive R-value of 1.65, ensuring reliable thermal performance in various applications.
Homeowners and builders can expect significant energy savings by incorporating Knauf Insulation’s products into their projects, resulting in reduced utility bills and a lower carbon footprint.
Acoustic Serenity: Enhancing Indoor Comfort
Beyond thermal Insulation, 100mm Knauf Insulation or the 135mm Knauf product provide superior acoustic performance, effectively reducing noise pollution and creating a tranquil indoor environment. This feature is particularly beneficial in settings such as hospitals, where a peaceful atmosphere promotes healing and recovery.
Noise Reduction Capabilities
- Ceiling Insulation: Knauf Ceiling Insulation products can reduce noise from external sources, such as rain, by up to 50%, ensuring a serene living or working space.
- Wall Insulation: The company’s wall Insulation solutions effectively mitigate sound transmission between rooms, enhancing privacy and minimising disturbances.
By prioritising acoustic performance, Knauf Insulation’s 135mm or even 100mm products will ensure that they contribute to energy efficiency and foster a comfortable and peaceful indoor environment.
135mm Knauf Insulation Safeguarding Indoor Air Quality
Moisture buildup within Insulation can lead to the growth of mould, mildew, and other harmful microorganisms, compromising indoor air quality and posing potential health risks. 135mm Knauf Insulation is designed to combat this issue, offering superior moisture resistance and protecting indoor environments. The 100 mm Knauf Insulation is also excellent for reducing condensation and mould.
Moisture Management Features:
- Non-Hygroscopic: Knauf Insulation’s products are non-hygroscopic, meaning they do not absorb moisture from the air, effectively preventing the growth of mould and mildew.
- Pest Resistance: Knauf Ceiling Insulation’s solutions feature moisture-resistant properties that also deter pests, further safeguarding the Insulation’s integrity and maintaining a healthy indoor environment.
Homeowners and builders can feel confident that their Insulation will not contribute to indoor air quality issues, allowing them to promote a healthier living or working space by choosing Knauf Thermal Insulation.
135mm Knauf Insulation
Installation Support and Resources
While Knauf Insulation’s products are designed for superior performance, proper installation is crucial to realising their full potential. The company recognises this importance and provides comprehensive guidance and support to ensure seamless and effective installation.
- Professional Installation Services: Knauf Insulation collaborates with experienced and certified installers to ensure their products are installed correctly, maximising their performance and longevity.
- Installation Guides: Detailed installation guides and instructional materials are readily available, enabling both DIY enthusiasts and professionals to navigate the installation process with confidence.
- Technical Support: Knauf Insulation’s dedicated technical support team is available to address any queries or concerns and provide expert guidance throughout the installation process.
By prioritising proper installation, Knauf Insulation ensures that its products deliver the promised energy efficiency, acoustic performance, and overall comfort, safeguarding the investments of builders and homeowners.
Knauf Awards & Notable Accolades and Certifications:
Knauf Insulation’s unwavering commitment to sustainability and quality has not gone unnoticed within the industry. The company has received numerous prestigious awards and certifications, further solidifying its position as a global leader in the Insulation sector.
- Sustainable Energy Europe Award: In 2011, Knauf Insulation was honoured with this award for its outstanding contribution to reducing energy consumption and greenhouse gas emissions.
- Product of the Year Award: In 2014, the company’s innovative Insulation solution, Supafil, was named “Product of the Year” in the “Sustainable Energy Solutions” category at the Green Building Awards.
- Cradle to Cradle Certified: Knauf Insulation’s products have achieved the prestigious Cradle to Cradle certification, which evaluates products based on their environmental and social impact throughout their entire lifecycle.
- GREENGUARD Certified: The company’s Insulation solutions have been certified by GREENGUARD, an independent organisation that verifies low chemical emissions, ensuring they do not contribute to indoor air pollution.
- Energy Efficiency and Renewable Energies Award (2023) – Presented by the German Chamber of Commerce for Spain and Germany’s Federal Ministry of Economic Affairs and Climate Action. Knauf and Knauf Insulation were recognised for their contribution to Casa Sophia. This Passivhaus Premium villa uses Knauf mineral‑wool solutions to cut operational emissions by 76 %, achieve a net‑positive carbon footprint and deliver a zero‑waste construction process.
- Eurofins Indoor Air Comfort Gold certification – Knauf Insulation became the first company worldwide to attain this standard for glass‑wool products made with ECOSE® Technology, highlighting extremely low VOC emissions and setting a benchmark for indoor air quality.
- NAHB Global Innovation Award (2025) – The U.S. National Association of Home Builders honoured Knauf’s Performance+® fibreglass Insulation for combining advanced energy efficiency with health benefits. The product is formaldehyde-free, has very low VOC emissions, and is certified asthma- and allergy-friendly.
- Texas Workforce Commission Local Employer of Excellence (2024) – Knauf’s plant in McGregor, Texas, was recognised for positively impacting the regional workforce through recruiting and training nearly 150 employees and partnering with local workforce agencies to strengthen community employment opportunities.
- GAIA Special Mention (Iskandar Malaysia Green Accord Initiative Awards 2023/24) – Knauf Insulation Malaysia received a special mention for its low‑carbon initiatives, reflecting the company’s efforts to embed zero‑carbon practices across its operations.
- Top 100 Young Achievers recognition (2024) – Top 100 Young Achievers recognition. Three Knauf Insulation employees were named to the Builders Merchants Federation and Builders Merchants News Top 100 Young Achievers list, acknowledging young professionals driving change in the building materials sector.
These accolades and certifications attest to Knauf’s commitment to excellence, innovation, and environmental stewardship, further solidifying its position as a trusted and respected brand in the global Insulation market.
100mm Knauf Insulation
Finally, Embracing a Sustainable Future with Knauf Ecose Insulation
In an era where energy efficiency and environmental responsibility have become paramount, Knauf Ecose Insulation is a beacon of innovation within the Insulation industry. The company has set a new standard for excellence with its groundbreaking ECOSE® Technology, diverse product offerings, and unwavering commitment to sustainable practices.
Whether you are a homeowner seeking to reduce your energy bills and carbon footprint, a builder striving for sustainable construction, or an industry professional seeking cutting-edge Insulation solutions, Knauf offers a comprehensive range of products and services tailored to your needs. The best option is the 135mm Knauf Insulation or the 100mm Knauf Insulation.
By choosing 135mm Knauf Insulation, you invest in superior thermal and acoustic performance, contributing to a more sustainable future for generations. Embrace the power of innovation and join the Knauf family today as we embark on a journey towards a greener, more energy-efficient, and more comfortable tomorrow. Even the 100mm Knauf Insulation boasts a fantastic R-value and NRC that are significantly higher than those of any polyester Insulation.
SANS Map for Insulation R-value for South African Regions
- Western Cape R-value Required: Install 135mm Knauf to achieve the R-value. If the home already has 100mm Knauf Insulation Installed, a layer of 50mm Knauf Insulation is used as a top-up.
- KZN Coastal Region Required R-value: Install 100mm Knauf Insulation to achieve an R-value of 2.90, above the required R-value of 2.70.
- Areas insulated with Insulation achieving an R-value of 2.90 can add a layer of 50mm Knauf Insulation to reach and exceed the R-value of 3.70.
Roof Insulation SANS Compliant Map For South Africa
SANS Compliant Map Areas
What Are Ideal Applications for the 50mm Knauf Insulation?
50mm Knauf Insulation is the ideal top-up Insulation for under-insulated homes. In addition, the 50mm Knauf Insulation Rolls are suitable for wrapping hot and cold water pipes in the roof space. If your region does not stock 135mm Knauf Insulation, you can install two layers of the 50mm Knauf Insulation, achieving the required R-value of 3.70.
Knauf Insulation