Thin-R Partial Fill Cavity Wall [XT/CW]

Xtratherm Thin-R Partial Fill Cavity Wall  XT/CW is CFC/HCFC free, manufactured using a blowing agent that has zero ozone depletion potential (ODP)

Manufactured in accordance with BS/IS EN 13165 Thermal insulation products for buildings. Factory made Rigid Polyurethane Foam (PUR) products. Specification.

BS EN ISO 9001 Quality Management Systems
BS EN ISO 14001 Environmental Management Systems

Thin-R PIR achieves an A+ rating under the BRE Green Guide.


BBA Certified Thermal conductivity: 0.022 W/mK
Facings: Low Emissivity Composite Foil Facings
Core: Rigid PIR Foam
Board size: 1200mm x 450mm
Board Profile: Tongue & Groove or Square Edge
Preformed Corner: Yes


Key Points

  • High Thermal Performance Rigid Insulation
  • Easy to Install
  • Suitable for new build and refurbishment
  • Non-deleterious material
  • Clear cavity is maintained
  • Low Emissivity Foil Facings to increase thermal resistance of cavity
  • Robust Engineered Jointing Detail
  • Avoids Potential Default Factor For Heat Loss At Joints
  • Certified Lambda Value as low as 0.022 W/mK
  • Reduces Thermal Bridging
  • Closed cell structure – moisture resistant



Xtratherm reserves the right to change this information without notice.
Xtratherm accepts no responsibility for errors or omissions on the website.