Celotex Crown-Bond

High performance PIR insulation specifically designed for bonded single ply flat roofing 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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Celotex Crown-Bond is a brand new product for use in flat roof systems. Representing the next phase of Celotex innovation, Crown-Bond is a rigid polyisocyanurate (PIR) board which delivers cutting edge thinness, increased dimensional stability and added robustness in a bonded single ply flat roofing system.

  • Board size: 1200 x 600mm
  • Thickness : 50-140mm
  • Lambda: 0.022 W/mK
  • Facer: Composite Facer

Board detail: Celotex Crown-Bond flat roof PIR insulation has the following product features:

  • Innovative composite facers on both sides
  • Low lambda 0.022W/mK offering high thermal performance
  • Suitable for bonded single ply membranes
  • Excellent compressive strength, giving it increased dimensional stability and added robustness
  • An extensive package of online support, tools and aftercare

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Did you know?

Not only can you calculate detailed flat roofing U-value calculations here on the website, but we also have an experienced team of energy assessors who specialise in SAP or SBEM calculations, water calculations, airtightness testing plus much more. Energy & sustainability requirements are getting more and more difficult so let our experienced team take away the hassle & ensure you are completely compliant. Contact today.