75mm Unilin (Xtratherm) CavityTherm CT/PIR Cavity Wall Boards
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Product Code:
0.54 m²
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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: 75mm
Width: 450mm
Length: 1200mm
Board coverage: 0.54 m²
Board Profile:
Rebated Edge
Density: 30kg/m³
Thermal Conductivity: 0.021 W/mK
R-Value: 3.33 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.
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.