Important Information: For all updates and Celotex announcements since June 2017, please see the links below...  See more

Declared lambda values - Read more >

5000 Class 0 testing - Read more >

Rainscreen cladding & RS5000 - Read more >

Insulation for Mechanically fixed single ply membrane

High performance PIR thermal insulation boards for mechanically fixed single ply membrane flat roof applications

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IMPORTANT: We have recently identified a compliance issue relating to our calculation and testing of the lambda value of products in our 4000 and 5000 range and the Crown-Bond and Crown-Fix products within Crown Flat Roofing range.

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

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Use Celotex Crown-Fix high performance insulation in mechanically fixed, single ply flat roofing systems where the higher compressive strength of the insulation gives improved resistance to site traffic during installation.

Application Benefits:

  • Single layer insulation
  • Ideal for new build and refurbishment projects
  • Compatible for a variety of single-ply roof applications
  • Increased dimensional stability and added robustness
  • Suitable for concrete, metal and timber flat roofing decks
  • Easy to cut boards to fit in most spaces
  • Provides reliable long term energy savings for buildings

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