SPECIFICATION: Roof and Wall Cladding Standing Seam Rigidal Ziplok 0.9mm gauge, 400mm cover width gauge Micro-Zinc aluminium sheets & smooth curved. Ziplok Halters 175mm deep with thermal barrier pads fixed to pressed metal tophat spacer members. Thermal insulation 180mm thick plus 37 compressed to 120mm deep. Vapour Control Layer Icopal Reinforced Polythene laid over the acoustic insulation material. Acoustic insulation 30mm thick 100kgm3 densit

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