Skip to main content
My basket

Items added to your basket will appear here.

Sub-total £0.00

Celotex Cavity Wall Insulation Board 1200 x 450 x 40mm

IDCXCW4040 Insulation > Multi Application Insulation > Rigid Board Insulation > Celotex Cavity Wall Insulation Board 1200 x 450 x 40mm

Pricing available upon sign in

Alternatively, contact a branch to order

Please sign in/register  to save items.

Product information

Celotex CW4000 range of PIR Insulation for Partial Masonry Cavity Walls CW4040 1200 x 450 x 40mm (L x W x T) 1.41 kg/m2, 224 pieces per pallet is a high performance, easy to install polyisocyanurate (PIR) insulation board featuring a low emissivity foil facing. It is suitable for use in partial fill cavity wall applications. This board has a thermal conductivity of 0.022W/mK and aluminium foil facings, which has low emissivity on dual sides. Manufactured from rigid polyisocyanurate, it helps in improving thermal insulation performance within cavity air spaces.

Features & benefits
  • High performance facer
  • BRE Green Guide Rating of A, demonstrating its environmental performance in BREEAM applications
  • Excellent thermal performance
  • Lightweight and easy to install
  • BBA certified
Product Name Celotex Cavity Wall Insulation Board 1200 x 450 x 40mm
Brand Celotex
Manufacturer Name Saint-Gobain
Manufacturer Part Number CW4040
Compliance Approvals CE Marked, BBA approved  
Warranty Period 12  months
Materials Polyisocyanurate  
Commercial Or Domestic Use Both  
Range Cavity Insulation  
Model Number CW4040  
Application External  
Fire Resistance Rating EN 13501-1 Class E  
Pack Quantity 1  
Country Of Origin United Kingdom  
Applicable Standards BBA 16/5351 & 17/5405, BS EN 13165:2012 + A2:2016, ISO 14001:2015, CE Marked (18.DOPTB4000-01) to BS EN 13165  
Coverage 6.48  m2
Recyclable Yes  
Product Width 450  mm
Product Weight 1.41  kg/m2
Product Length 1200  mm
Thickness 40  mm
Thermal Conductivity 0.022  W/mK
R Value 1.8  m2K/W
Pallet Quantity 224  
Product documents