Knauf Supafil 40 Blowing wool - All Thicknesses

• Holds an Agrément certificate by the BBA for use in all exposure zones, including those in very severe areas.
• Suitable for use in wider cavities of up to 125mm.  
• Made with a water-repellent additive to resist moisture ingress.
• Installed by 'Approved Supafil® Installers', using specific blowing machines, hoses and nozzles as part of a system.

Cavity walls: Supafil 40 is a high-performance, loose-fill glass mineral wool insulation designed for use in cavity walls. It provides excellent thermal and acoustic insulation, helping to improve energy efficiency and reduce heating costs in residential and commercial buildings. Supafil 40 is non-combustible, offering enhanced fire safety, and is made from up to 80% recycled materials, making it an environmentally friendly choice. The insulation is easy to install using a blowing machine, ensuring a quick and effective application without gaps or voids, which maximises its insulating performance and contributes to a comfortable and safe indoor environment.

How is Knauf Supafil 40 installed?

Knauf Supafil 40 is installed using specialised blowing machines. The loose-fill insulation is blown into the cavity through drilled holes, filling the space completely and ensuring effective thermal insulation. Installation should be carried out by trained professionals to ensure proper coverage and performance.

Does Knauf Supafil 40 provide acoustic insulation?

Yes, Knauf Supafil 40 offers excellent acoustic insulation properties. Its loose-fill structure helps absorb sound, reducing noise transmission between rooms and from external sources, enhancing the comfort of living and working environments.

What maintenance does Knauf Supafil 40 require after installation?

Once installed, Knauf Supafil 40 requires no ongoing maintenance. It remains effective for the lifetime of the building, provided it is not disturbed. Its durability ensures consistent thermal and acoustic performance over time.