The Xtratherm Cavity Wall Board XT/CW is a high-performance insulation solution designed to provide superior thermal resistance in cavity wall applications. Measuring 1200 x 450 x 50mm, this robust panel is made from PIR (polyisocyanurate) foam, offering excellent insulation properties that can greatly reduce heat loss and improve energy efficiency in your building project. With its easy-to-install design and high-quality construction, the Xtratherm XT/CW ensures an optimum balance of performance, durability, and value for professional builders and DIY enthusiasts alike.

Brand Name	Xtratherm
Certifications Met	Manufactured under ISO 9001 Quality Systems, ISO 14001 Environmental Management Systems.
Material	Rigid PIR (polyisocyanurate) foam
Type	Rigid board
R-value	2.25 m2·K/W for 50mm thickness
Thickness	50mm
Dimensions	1200mm x 450mm
Coverage area per package	Each board covers approximately 0.54 square meters
Application	Cavity walls
Installation method	Interlocking tongue and grooved edges for secure and tight installation.
Fire rating	Class 1 surface spread of flame to BS 476-7.
Moisture resistance	Resistant to the passage of water vapor.
Sustainability features	Zero Ozone Depletion Potential (ODP), Low Global Warming Potential (GWP).