INSTALLATION ON INSULATED ROOFS Krabban with telescopic sleeves is an appropriate fastening for: • standing seam roofing systems made of aluminium, copper, steel sheet metal and zinc • stainless seamed or welded The shape of the telescopic sleeve provides the required compression of the insulation without risk of damage to the sheet metal. The telescopic effect should be at least 10% of the insulation thickness, but always at least 20 mm. The Krabban system is installed independently of the positioning of the insulation joints in relation to the seam, which elimi- nates the risk of gaps in the insulation. Krabban Sleeve Screws Standing seam roofing Insulation plate Insulation Vapour barrier membrane Supporting structure 36 Bjarnes System Clips Manual
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