Fastening system for membrane roofs
DAARTS telescopic fasteners hold the waterproofing TPO membrane and the insulation on substrates of profiled sheeting, concrete, timber or a dry screed. The assembly is selected by insulation thickness and type of structural deck: a screw or dowel passes through the sleeve, while the roofing washer spreads the load and protects the membrane from being punched through. Along the roof perimeter and at upstands the sheet is secured with steel and aluminium rails.
