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Celotex PL4000

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Celotex PL4000 is a high performance thermal insulation board where PIR insulation is bonded to 12.5mm tapered edge plasterboard. It can be used in new build applications as well as providing the perfect solution for refurbishment projects where little or no insulation exists.

Celotex PL4000 is manufactured from rigid polyisocyanurate (PIR) using a blowing agent that has zero ozone depletion potential (zero ODP) and low global warming potential.

  • Board size: 1200mm x 2400mm
  • Thickness (mm): 15, 25, 40, 45, 50, 55, 60, 65 (excludes 12.5mm tapered edge plasterboard. 15mm option bonded to 9.5mm plasterboard)
  • Lambda: 0.022W/mK

With Celotex PL4000 you are specifying an insulation board that:

  • Is certified under BBA certificate number 12/4926
  • Ofgem approved
  • Can be easily used to 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
  • 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
  • Future proofs the energy performance of new and existing buildings

For full and detailed product information, please download the Celotex PL4000 product datasheet.

Single timber frame wall lining

Loft conversions

Internal Solid Walls

Top up cavity walls

Pitched roof upgrades

Garage conversions

Between & under rafters

Between & under joists

Quick Installation

I installed this product into my loft as part of a loft conversion in my house. Was very easy to ...
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Chris Vaughan   |   

Celotex PL4000 Installation

Project video

Celotex Handy Guide

Download the useful Handy Guide now.

Celotex Handy Guide

Download the useful Handy Guide now.

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