Xtratherm CavityTherm is a built-in insulation system that achieves ultimate U-values within traditional wall constructions. It doesn't require an engineer's report, meaning that minimal heat energy is lost through the walls. Meeting A+ or Passive standards within a 100mm cavity width, CavityTherm builds as a system to provide a continuous insulation layer that you can see is installed accurately. It provides an affordable and practical solution when looking to buy best performance wall insulation.
Continuous insulation layer
Minimal cavity width requirement
No need for engineer's report
Ultimate U-values & meets standards