Cemsix corrugated sheet can be fixed to steel or timber purlins. Fixing holes should be predrilled, or self drilling self tapping top fix fixings can be used. Fixing should be undertaken according to BS 8219:2001. The sheets incorporate polypropylene reinforcing strips for enhanced safety. They have been tested for fragility in accordance with ACR(M) 001:2000 test for fragile roof assemblies (to class C) Impact Resistance Test Method and BS EN 15057:2006 Fibre Cement Profiled Sheets. Any roof or wall clad in sheets should be treated as fragile. Care must be taken when working on roofs and the precautions detailed in BS 5502-20:90 regarding permanent walkways must be followed. The sheets are denoted Class C1X, having a minimum breaking load of 4250Na and conform with the requirements of BS EN 494:2004.
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