150mm Celotex – 2400x1200x150mm XR4150


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Celotex XR4000 is a high performance, easy to install polyisocyanurate (PIR) insulation board featuring a low emissivity foil facing. Available in thicknesses from 110mm to 200mm, it can be considered for roof, wall and floor applications.

Suitable Applications

  • Concrete Slab Ground Floors
  • Suspended Timber Ground Floors
  • Beam and Block Ground Floors
  • Upgrading existing Concrete Slab Floors
  • Timber Frame External Wall Between Studs
  • Pitched Roof – Between Rafters
  • Pitched Roof – Loft insulation
  • Flat Roof – Balconies and Terraces
  • Flat Roof – Between and Under Joists

Product Features

  • Lightweight 2400 x 1200mm boards
  • Low emissivity foil facing
  • Achieves a BRE Green Guide A rating
  • BBA approved – certificates 16/5352, 17/5405

Product Properties

  • Board / Roll size: Width 1200mm, Length 2400mm
  • Thickness : 110-200mm
  • Material: PIR

Product Performance

  • Lambda: 0.022 W/m.K
  • Reaction to Fire: Reaction to Fire: Euroclass E Reaction to Fire classification, according to EN 13501-1

Additional information

Dimensions 240 × 120 × 15 cm