Rapid Rafter Insulation

  • Its manufactured from ultra high performance Phenolic foam for excellent thermal properties.
  • Its available in 140 mm thickness, which meets current u-value requirements laid down by Building Regulations without the need for additional insulation.
  • It has outer glass fleeces with reinforcement grid for added strength and protection.
  • It has a convenient tongue & Groove construction, making it easy to lay and secure using standard tools and fixings.
  • There are a full range of accessories available for sealing, including sealbands, tube sealants and tapes.
  • It has a range of pipe penetrations to ensure maximum flexibility and integrity.



Rapid Rafter Insulation can only be installed as part of a roofing project as it sits on top of the roof rafters.

Go to our Find a Roofer section to get a quote for your next roofing project.