Icopal Thermazone PIR insulation boards should be attached at the minimum rate of 11 tubes & fasteners per 1.2 m x 2.4 m board (unless otherwise specified and approved). An increased density may be recommended depending on project location, height and exposure etc.
For every mechanically fastened roof, a wind uplift calculation and fastener specification will be required prior to installation of the Icopal roof waterproofing membrane. All calculations are conducted in accordance with BS 6399 or BS EN 1991 parts 1-4, as appropriate.
No pre-drilling is necessary for timber and steel decks.
Simply insert the fastener through the tubular washer and install with a standard clutch drive electric screw gun (0 – 2500 rpm). Optimum fastener performance is achieved when fastener is installed perpendicular to the deck and into the top flutes of a steel deck.
The TX-25 recess provides excellent drivability and the drill-point design cuts a hole in the steel deck maintaining contact between the deck and the minor diameter of the fastener, increasing back-out resistance.
Icopal Tubular Washers, Pressure Plates and Screw Fasteners are supplied under a Quality Management System approved to ISO 9001: 2004 by Swiss Association for Quality and Management Systems.
Specialist advice and design guidance on all matters relating to Icopal Tubular Washers, Pressure Plates and Screw Fasteners is freely available from our Technical Department