Celotex PL4015 27.5mm Insulated Plasterboard 1.2m x 2.4m

£45.25 Incl. VAT
£37.71 Ex. VAT
Estimated delivery: 3-5 working days


Celotex PL4000 is a PIR thermal insulation board bonded to tapered edge plasterboard. PL4000 is manufactured from rigid polyisocyanurate (PIR) using a blowing agent that has zero ozone depletion potential (zero ODP) and low global warming potential (GWP).


With Celotex PL4000 you are specifying an insulation board that:

  • Can be easily used to help upgrade to current building regulation standards in pitched roof, flat roof and wall applications • Ideal option for internal solid wall insulation
  • Is suitable for both direct bonding (‘dot and dab’) and mechanically fixed installation techniques
  • Featuring an inbuilt vapour control layer
  • 15mm option provides ideal solution for window and door reveals
  • Is certified under BBA certificate number 16/5357
  • Offers the installer maximum flexibility and installation speed due to the tapered edge plasterboard
  • Offers the user the ability to install both the insulation and plasterboard in one operation, thus reducing installation times
  • Can be used to improve the energy performance of new and existing buildings



  • Solid masonry walls
  • The ‘underneath’ layer of insulation in between and under rafter and joist applications
  • Timber frame lining applications


Technical Data

Thickness: 15mm + 12.5mm plasterboard
Length: 2.4m
Width: 1.2m
Board coverage: 2.88m²
R-value (m²K/W): 0.70
Thermal conductivity: 0.0022 W/mk

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