IMPORTANT: On 1 September 2017, Celotex took the precautionary measure to temporarily suspend the supply of Celotex FR5000, Celotex CG5000, Celotex CF5000 and Celotex SL5000 while we investigate the results of recent tests (Parts 6 and 7 of British Standard 476). In addition, we have recently identified a compliance issue relating to our calculation and testing of the declared lambda value of products in the 4000 and 5000 ranges and the Crown-Bond and Crown-Fix products within the Crown Flat Roofing range. Due to this issue, the suspension of the 5000 range will continue and now includes the FI5000 and GD5000 products. Materials relating to the 5000 range products are for information only. Please note that all products in the TB4000, GA4000 below 100mm, PL4000 and CW4000 ranges manufactured after 15 December 2017 will be marketed from January as Celotex 3000 with a declared lambda value of 0.023 W/mK.

Please use the link below to read our full statement regarding declared lambda:

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Please use the link below to read our latest statement regarding Class 0:

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At Celotex, we are pleased to announce the launch of two new premium performance PIR plasterboard thermal laminates, Celotex GD5000 and Celotex GS5000.

Celotex GD5000 and Celotex GS5000 comprise premium Celotex PIR insulation adhesively bonded to 9.5mm tapered edge plasterboard and are specifically designed for both new build and refurbishment projects.

Featuring a super low lambda of 0.021 W/mK and supported by BBA certification, Celotex GD5000 and Celotex GS5000 offer premium thermal performance for internal dry lining applications including solid wall upgrades, timber frame constructions and between and under  pitched and flat roof applications.

Celotex GD5000 is designed for internal dry-lining applications where the product’s kraft paper/foil facings are ideal for adhesively bonded (‘dot & dab’) installations.

Celotex GS5000 features Celotex IQ emissivity, delivering enhanced thermal performance in cavity air spaces when mechanically fixed to timber battens or metal lining systems.

Celotex GD5000 and Celotex GS5000 offer the highest performing PIR plasterboard thermal laminates available and represent the value and choice associated with specifying the leading provider of PIR insulation.

Celotex GD5000 and Celotex GS5000 deliver up to:

  • 50% less insulation than some other certified systems
  • 30% better U-values using comparable build-ups
  • 15% thinner solutions than typical PIR.

Celotex. Come on board

To find out more, visit for all product information and literature.

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