XtroLiner Partial Fill Cavity Wall  XO/CW (T&G)

Xtratherm XtroLiner Partial Fill Cavity Wall XO/CW (T&G) is 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
BS OHSAS 18001 Health & Safety Management Systems

XtroLiner achieves an A+ rating under the BRE Green Guide.


Available in UK & Ireland  (Tongue & Groove available UK mainland only)


BBA Certified Thermal conductivity range: 0.021 W/mK
Facings: Stucco Foil
Core: Modified Rigid PIR Foam
Board size: 1200mm x 450mm
Board Profile: Square Edge or Tongue & Groove


Key Points

  • High Thermal Performance Rigid Insulation
  • Easy to Install
  • Non-deleterious material
  • Suitable for new build and refurbishment
  • 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.