Celotex CW4075 Cavity Wall Insulation Board 1200 X 450 X 75mm- 4.32m2 Pack

This high-performance Celotex CW4075 insulation is designed for partial fill insulation of masonry cavity walls. Made of rigid polyisocyanurate (PIR), it’s available in 75mm thickness and has been sized to fit between cavity wall ties. As a versatile solution, it’s suitable for use in both new and existing builds as well as extensions.

This Celotex insulation has an amazing thermal conductivity value of 0.022 W/mK and comes with a low emissive aluminium foil facing which enables it to achieve excellent uValues. As a result, this sturdy PIR insulation is among the best-performing options on the market and will bring you substantial long-term savings.

Features & Benefits: Celotex CW4075 Cavity Wall Insulation Board 1200 x 450 x 75mm- 4.32m2 Pack

• 4.32m² pack coverage
• 1200mm length x 450mm width x 75mm thickness
• Energy-saving partial fill PIR insulation board
• Quick & easy to install
• Suitable for use in masonry cavity walls
• Low emissivity foil facings
• Improves thermal insulation performance in cavity air spaces
• 3.40m²K/W R-Value
• 2.78kg/m² maximum weight
• CS(10Y)120 compressive strength (kPa)

Because this CW4075 insulation is sized specifically to fit the standard wall tie spacing requirements, you won’t have to do any cutting, and it is quick to fit with the least amount of hassle. When it’s installed correctly, it can help meet carbon dioxide emissions and energy use targets set by the national building regulations.

And it gets better, with this CW4075 insulation having BBA (British Board of Agrément) certificate as well as BRE (Building Research Establishment) Green Guide Rating of A, it will help boost your environmental performance.

Standards & Certification

• Certification: BBA certified
• BRE Green Guide Rating: A
• Thermal conductivity: 0.022W/mK, according to BS EN 13165 for factory made rigid polyurethane foam (PU) product
• Spread of flame: Euroclass F Reaction to Fire classification, according to BS EN 13501-1. Products with this level of classification are not provided with a rating for smoke emission.