Thin-R+ CavityTherm Flex

Xtratherm Thin-R Plus CavityTherm Flex CT / PIR Flex is an enhanced PIR – fibre composite, 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

Xtratherm Thin-R Plus CavityTherm Flex achieves an A+ rating under the BRE Green Guide.

> Find Out More Information on the CavityTherm Microsite 


BBA Certified Thermal conductivity range: 0.021 W/mK
Facings: Inner: 25mm Fibre Layer
Outer: profiled HIPS on Composite Foil Facing
Core: Rigid PIR Foam
Board size: 1200mm x 450mm
Board Profile: Rebate Edge


Key Points

  • High Thermal Performance Rigid Insulation
  • Easy to Install
  • Non-deleterious material
  • Suitable for new build and refurbishment
  • Flexible backing to accommodate indentations
  • Robust Engineered Jointing Detail
  • Avoids Potential Default Factor For Heat Loss At Joints
  • Reduces Thermal Bridging
  • Ancillary Detailing Products Available
  • Robust moisture protection facing




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Xtratherm accepts no responsibility for errors or omissions on the website.