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Free online calculation tools for structural design according to Eurocodes
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Eurocode 1 Wind load on flat roofs (external and internal pressure coefficients)
Calculation of wind load action effects on flat roofs (including small parapets). The net effect of external and internal wind pressure for zones F, G, H, I on the roof surface are calculated from the corresponding external pressure coefficients
EN 1991-1-4:2005+A1:2010 Section 7.2.3
Roofs with slope α of -5° < α < 5°, consisting of one skin, on buildings having permanent side walls.