20mm Celotex TB4000 PIR Board
Product Code:
2.88 m²
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Celotex TB4000 PIR is a high-performance rigid PIR insulation board manufactured using a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP). Specifically designed to address thermal bridging and reduce localised heat losses.

Key points :
  • Superior Thermal Performance.
  • Low Emissivity Foil Facings.
  • Zero Ozone Depletion Potential (ODP) and GWP.
Specification :
  • Thickness: 20mm
  • Width: 1200mm
  • Length: 2400mm
  • Board coverage: 2.88 m²
  • Board Profile: Straight Edge
  • Thermal Conductivity: 0.022 W/mK
  • R-Values:  0.90 m²K/W
  • Fire Rating: Class 1
  • Reaction to Fire: E
  • Compressive Strength: >120kPa


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


  • ISO9001 - Quality Management Systems
  • ISO14001 - Environmental Management
  • BBA - 17/5405
  • A+ rating on BRE Green Guide
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.