Cavity Wall Insulation Board – PIR – Full Fill ApplicationProduct Overview The 115mm Full Fill Insulation T&G Board is designed for optimal performance in masonry cavity wall applications. Measuring 1200mm 460mm, this rigid polyisocyanurate (PIR) insulation board features tongue and groove joints on all sides, ensuring precise interlocking to minimize thermal bridging. Each board comes with a multi layer foil facing, reflective on one side and alkali resistant on the other, enhancing both thermal efficiency
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Cavity Wall Insulation Board – PIR – Full Fill Application