The Thermaclass Cavity Wall 21 (90mm) is an advanced polysio-cyanurate (PIR) insulation board designed for use in full-fill cavity wall applications. With an exceptional thermal performance (0.021 W/m.K), it’s ideal for reducing heat loss and enhancing energy efficiency. This insulation board is easy to install, featuring a low emissivity foil facing and a tongue-and-groove edge profile. It is BBA-approved for full-fill cavity wall applications, providing peace of mind in compliance with building regulations.
Key Features
- Material: Polysio-cyanurate (PIR) insulation.
- Thickness: 90mm (ideal for full-fill cavity wall applications).
- Size: Each board is 1190mm x 450mm (installed dimensions).
- Thermal Performance: Lambda value of 0.021 W/m.K, offering excellent thermal insulation.
- Fire Classification: Euroclass F Reaction to Fire classification (as per BS EN 13501-1).
- Low Emissivity: Foil facing for improved thermal efficiency.
- BBA Approved: Certificate 16/5343, ensuring suitability for full-fill cavity walls.
- Easy Installation: Tongue and groove edge profile for secure, tight-fitting installation.
Pack Details
- Contents: 6 boards per pack, covering 3.24m².
- Price: £80 per pack.
Perfect for residential and commercial cavity wall insulation, Thermaclass Cavity Wall 21 offers long-term energy savings and compliance with building regulations. Available now at SB Building Supplies.
