Need help with your order? | Call us on 0115 697 6800 | Open 9:00am - 4:00pm Mon - Fri

Call our Team on 0115 6976 800

Celotex  |  SKU: PL4025

37.5mm Celotex PL4000 PIR Insulated Plasterboard - 2400mm x 1200mm

£35.53 Ex VAT
£42.64 Inc VAT

This Celotex PL4025 PIR insulated plasterboard is a PIR-backed sheet of plasterboard ideal for insulating lofts and flat roofs.

Nationwide Delivery in 3-5 WORKING DAYS

  • £50 ex VAT Delivery
  • FREE DELIVERY OVER £500

Need a next-day or named day delivery? Call Us.


37.5mm Celotex PL4025 is manufactured from rigid polyisocyanurate (PIR) using a blend of blowing agents that have zero ozone depletion potential (zero ODP) and low global warming potential.
  • 2400mm x 1200mm x 37.5mm.
  • This board allows for the installation of both the insulation and plasterboard in one operation, thereby reducing installation time.
  • Suitable for both direct bonding (‘dot and dab’) and mechanically fixed installation techniques.
  • Maximum flexibility and installation speed due to the tapered edge plasterboard.
  • Reliable long-term energy savings for buildings.
  • Suitable for both new build and refurbishment projects.
  • Can be easily used to upgrade to current building regulation standards.
  • Can be used in pitched roof, flat roof and wall applications.
Thickness: 37.5 mm
Length: 2400 mm
Width: 1200 mm
Coverage: 2.88 m²
R-value: 1.2 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.

  • Size
    2400mm x 1200mm
  • Coverage (m²)
    2.88
  • Thickness
    37.5mm
  • Material
    PIR

WhatsApp Logo WhatsApp Us
×