Rather place your order over the phone? Trade customers can call us directly to place new orders on 0208 2641 144. Lines open 8am - 10pm 7 days/week.

The 50mm Ecotherm Eco Cavity Wall Insulation Board is designed to enhance thermal performance in cavity walls. This insulation board measures 1200mm x 450mm and covers 5.4m² per pack. Made from high-quality materials, the Ecotherm Eco Cavity board provides excellent energy efficiency, reducing heat loss and improving comfort in your home. Its lightweight design makes installation straightforward, ensuring a snug fit in various wall types. Choose Ecotherm for reliable insulation solutions that meet modern building standards.
| Material | Polyisocyanurate (PIR) foam |
| Type | Rigid board |
| R-value | Unavailable |
| Thickness | 50mm |
| Dimensions | 1200mm x 450mm per board |
| Coverage area per package | 5.4 square meters |
| Quantity | Unavailable |
| Application | Walls |
| Installation method | Mechanically fixed or adhesive bonded |
| Fire rating | Class 0 fire performance rating in accordance with the UK building regulations |
| Moisture resistance | Water-resistant due to low water absorption rate of PIR foam |
| Sound absorption rating | Unavailable |
| Environmental certifications | Zero Ozone Depletion Potential (ODP) and Low Global Warming Potential (GWP) |
| Compression resistance | High compressive strength to withstand load-bearing applications |
| Vapor transmission | Low vapor transmission due to closed cell structure of PIR foam |
| Sustainability features | Manufactured with a blowing agent that has zero ODP and low GWP. |
