Celotex XR4000

Celotex XR4000 PIR Insulation 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.

In the event of a shortage in stock, we may supply you with one of the four brands when ordering Insulation – Ecotherm, Celotex, Recticel or Quinn Therm. All boards have a thermal conductivity of 0.022 W/mK.

Celotex XR4000 PIR Insulation Features and Benefits

  • Board Coverage – 2.88m2
  • Excellent thermal performance – decreasing the thickness of insulation required to hit the required U-value, optimising space in the construction design and helping to reduce the heating and cooling costs within the building
  • Low emissivity foil facing provides improved thermal performance in sealed cavity air spaces, improving the achievable U-value
  • Easy to install – lightweight boards are straightforward to handle fit and transport
  • BBA certification – third-party verification that the product has been assessed for its defined applications and is compliant with the relevant Building Regulations.
  • Lambda: 0.022 W/m.K
  • Reaction to Fire: Reaction to Fire: Euroclass E Reaction to Fire classification, according to EN 13501-1
CW4000 PIR Wall Cavity
Celotex XR4000 PIR Insulation

Celotex XR4000 PIR Insulation provides a reliable and long-term energy-saving solution for buildings, which ultimately results in low-cost electricity and heating bills. It is suitable for numerous applications such as roofs, floors and walls.

It achieves the required U-values with minimum thickness. It also helps in meeting the current as well as future requirements of the Building Regulations.

This high-performing PIR insulation board is environmental-friendly. It certainly helps in reducing the excessive and unnecessary usage of energy and resources like central heating or in some cases air conditioning. It is designed to eliminate cold spots and has an excellent performance in timber frames and masonry walls. It features a thermal conductivity of 0.022W/mK for providing better insulation.

Celotex has achieved A+ rating when it is compared to BRE Green Guide and has certification from BBA certificate number 95/3197 and 09/4667.