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Traditional Hard Metal Systems & Fabrication

Hard Metal Board

HMB

Hard Metal Board is a high performance rigid polyisocyanurate insulation board with Tongue & Groove joints. It is faced on the upper side with an 18mm OSB3 sheet and on the rear with a gas tight multi- layer aluminium facing.

Hard Metal Board is a warm roof substrate suitable for copper, zinc, aluminium, coated steel & stainless steel roofing systems. It is recommended that a vapour barrier such as Alutrix 600 is laid beneath the board.
Hard Metal Board
Total thickness Length Width
68mm (50mm + 18mm) 1160mm 1160mm
88mm (70mm + 18mm) 1160mm 1160mm
98mm (80mm + 18mm) 1160mm 1160mm
108mm (90mm + 18mm) 1160mm 1160mm
118mm (100mm + 18mm) 1160mm 1160mm
128mm (110mm + 18mm) 1160mm 1160mm
138mm (120mm + 18mm) 1160mm 1160mm
148mm (130mm + 18mm) 1160mm 1160mm
158mm (140mm + 18mm) 1160mm 1160mm
168mm (150mm + 18mm) 1160mm 1160mm

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