These premium 90mm PIR insulating boards are made to fit perfectly into cavity walls, offering increased heat resistance and lowering heat transmission. It provides unparalleled insulating efficacy without sacrificing space, thanks to its thickness of 90 mm.

This 90mm PIR insulation's tongue and groove shape makes installation simple and allows for a precise fit, guaranteeing that the insulation is flawless and free of gaps or weak areas. Additionally, our 90mm PIR cavity insulation fits a variety of wall cavities thanks to its 1200x450 dimensions.
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