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SKU: TB4025-24

25mm Celotex TB4025 PIR Insulation 2400mm x 1200mm - 24 Boards


£258.33 Ex VAT
£310.00 Inc VAT

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24 boards of 25mm Celotex TB4025 PIR insulation offers a versatile solution for reducing cold bridging in various applications, including floors, walls, and roofs. These lightweight, rigid boards are not only easy to transport and handle but also straightforward to fit, ensuring a seamless installation process.

Designed with sustainability in mind, the Celotex Insulation boards feature a blend of eco-friendly blowing agents that boast a low global warming potential. Additionally, they have been proven to have zero ozone depletion potential (ODP), further underlining their environmentally-conscious design. Choose Celotex insulation for a reliable, efficient, and eco-friendly insulation option for your building projects.

  • Can be used in a variety of applications – such as floor, wall, and roof.
  • Contain a combination of eco-friendly blowing agents with a low potential for global warming and zero ozone destruction potential (ODP).
  • Low-emissivity foil front.
  • BRE Green Guide rating A, which can be used in BREEAM assessments to show environmental performance.
  • Low-emissivity foil front that improves thermal performance in sealed cavity air spaces which lowers the U value.
Thickness: 25 mm
Length: 2400 mm
Width: 1200 mm
Coverage: 69.12 m²
R-value: 1.1 m²K/W
Thermal conductivity: 0.022 W/mK
Certification: BA 16/5352 BBA  17/5405
Country Origin: UK


The R-value denotes the resistance to heat flow – the higher the R-value the more insulating the product is.


Thickness: 25mm
Size: 2400mm x 1200mm
Coverage: 69.12
Material: PIR
Download: Declaration of Performance
Download: Celotex GA4000 Datasheet