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Range of Permissible Roof Pitch (degrees) >10
Compatible Roof Coverings Any over metal or wood sub-structures as the system replaces the roof covering with trapezoidal profiled metal sheets
Roofing Substrate
For certified wind uplift resistance in sound timber
Min rafter size (hxw mm) Min batten size (hxw mm)
For wooden rafters minimum size 150 mm x 55 mm Tested on Zed profile (142 Z 16)
Further notes on fixing (where relevant) Must be installed with materials defined by Sunfixings for the stated fire rating to apply.
Maximum Design Wind Uplift
Calculated by dividing the characteristic wind uplift by the partial safety factor shown below
9.5kPa - based on 16 roof attachments per m2 of solar panel
Partial (safety) factor(s) 1
Fire Classification BS476-3:2004 EN 13501-5:2005+A1 :2009
See Manufacturers Website BROOF(t4)
Limitations on Fire Classification See Manufacturers Website