40mm Unilin (Xtratherm) Thin-R PIR Board
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Product Code:
2.88 m²
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Thin-R PIR is a closed-cell rigid high-performance foil faced Polyisocyanurate (PIR) insulation. 

Key points :

Key Points:

  • High Thermal Performance.
  • Low emissivity foil facings.
  • Manufactured without the use of CFC's or HCFC's, has Zero Ozone Depletion Potential (ODP).
  • Closed cell structure - moisture resistant.
Specification :


  • Thickness: 40 mm
  • Width: 1200mm
  • Length: 2400mm
  • Board coverage: 2.88 m²
  • Board Profile: Square Edge
  • Density: 32kg/m³
  • R-Value: 1.80 m²K/W
  • Thermal Conductivity: 0.022 W/mK
  • Fire Rating: NPD (Class F) tested to BS EN 13501-1
  • Compressive Strength: >150kPa


  • Suitable for New Build and Refurbishment Projects.
  • For use in Walls, Floors and Roofing.


  • ISO9001 - Quality Management Systems
  • ISO14001 - Environmental Management
  • A+ rating on BRE Green Guide
  • BBA Certification No. 08/4613 (Issued 5 August 2011)
Datasheets & Documents.
If you require a Safety datasheet (SDS) for this product please get in touch.
If you require a BBA Certificate for this product please get in touch.