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Celotex XR4140 General Purpose PIR Insulation Board - 2400 X 1200 X 140mm

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£84.19 Incl. VAT
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Are you in need of a highly versatile multi-purpose insulation board? Then look no further than Celotex XR4130. It's ideal for various applications including pitched roofs, flat roofs, solid floors and masonry walls and steel framed and timber framed systems. Made of sturdy polyisocyanurate (PIR) and easy to handle, cut and shape, the board can be conveniently fitted between rafters and joists to provide a highly insulating layer of insulation without being too thick. It has excellent thermal performance and an impressive thermal conductivity of 0.022 W/m.K. So, you shouldn't be surprised to learn that it can easily deliver the required U-value.

And that's not all! The low emissivity foil facing boosts thermal performance in sealed cavity air spaces, improving the potential U-value. XR4140 insulation boards are manufactured to strict industry standards and have BBA (British Board of Agrement) certificate describing it as suitable for use in defined roof, wall and floor applications when installed, used and maintained according to the set guidelines. What's more, the XR4140 has a BRE (Building Research Establishment) Green Guide Rating of A, which will aid you in improving your environmental performance. All in all, this PIR insulation board will provide you with long-term energy savings.

Features & Benefits: Celotex XR4140 General Purpose PIR Insulation Board - 2400 X 1200 X 140mm

  • High-performance, energy-saving PIR insulation board
  • Lightweight, quick & easy to install
  • Suitable for roof, wall and floor applications
  • Low emissivity foil facings for better thermal insulation performance in cavity air spaces
  • BBA certified
  • BRE Green Guide Rating of A

Product Specification

  • Length: 2400mm
  • Width: 1200mm
  • Thickness: 140mm
  • Coverage: 2.88m2
  • R-Value: 6.35m2K/W
  • Maximum weight: 5.71kg/m2
  • Thermal conductivity: 0.022W/m.K, according to BS EN 13165 for factory made rigid polyurethane foam (PU) product
  • Compressive strength (kPa): CS(10\Y)140
  • Spread of flame: Euroclass E Reaction to Fire classification, according to BS EN 13501-1. Products with this level of classification are not provided with a rating for smoke emission.


Length 2400mm Thickness 140mm Width 1200mm


Thermal Conductivity 0.022 W/mK Edging Square Edge Facing Foil Product Type Board
Material PIR

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