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 Bonded Single Ply Membrane for Flat Roofing

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

Application image
U-value Calculator
Start your U-value calculation >
Use the calculator

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:

Read more > Calculator Icon

Use Celotex Crown-Bond high performance insulation in bonded single ply flat roofing applications. Innovative composite facers on both sides allow direct bond of single ply membranes. In addition, with a low lambda of 0.022W/mK, Crown-Bond offers high thermal performance with cutting edge thinness.

Application Benefits:

  • Single layer insulation
  • Ideal for new build and refurbishment projects
  • Increased dimensional stability and added robustness 
  • Suitable for concrete, metal and timber flat roofing decks.

View Application Datasheet Calculator Icon

Celotex products to consider