This full fill cavity insulation board measures 1200 x 450 x 140mm and is constructed from rigid polyisocyanurate (PIR) with foil facings on both sides. Designed with tongue and groove edges, the board is built to slot together for straightforward placement during installation.
Commonly fitted between masonry leafs in new external cavity wall builds, it is suitable where a near or total fill is required. This board helps reduce moisture transfer while providing a consistent layer of thermal insulation as part of the wall construction.
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