100mm Xtratherm CavityTherm CT/PIR Cavity Wall Board
100mm Xtratherm CavityTherm CT/PIR Cavity Wall Board
Product Code:
0.54 m²
Thermal Conductivity:
0.021 W/m·K
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£25.95 25.95
£21.63 ex. VAT
£48.06 per m² inc. VAT

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Thin-R Plus CavityTherm is an innovative built-in insulation for traditional walls that achieves passive level U-Values as low as 0.12 W/m2K with excellent thermal bridging detailing in cavities less than 150mm wide. It has a unique engineered profile facing that directs any moisture that might penetrate the external wall down the protective facing and back onto the external leaf, giving added protection from wind-driven rain.

Key points :
  • Available with a full range of innovative detailing accessories.
  • PIR core
  • High Thermal Performance.
  • Zero Ozone Depletion Potential (ODP) and GWP < 5.
Specification :
  • Thickness: 100mm
  • Width: 450mm
  • Length: 1200mm
  • Board coverage: 0.54 m²
  • Quantity: 1 board
  • Board Profile: Rebated Edge
  • Density: 30kg/m³
  • Thermal Conductivity: 0.021 W/mK
  • R-Value: 4.52 m²K/W
  • Typical U-Values: Walls = 0.14 W/m²K
  • Fire Rating: Euroclass F
  • Compressive Strength: >100kPa @ 10% Compression


  • Suitable for New Build and Refurbishment Projects.
  • For use in Cavity Walls.


  • ISO9001 - Quality Management Systems
  • ISO14001 - Environmental Management
  • A+ rating on BRE Green Guide
  • BBA Certification No. 10/4786
Datasheets & Documents.