Of ceiling 1 5 psf 3 15 lb.
Roof material dead loads.
Loads used in design load equations are given letters by type.
The load increases with the use of heavier roofing material.
Live roof load w wind load s snow load e earthquake load r rainwater load or ice water load t effect of material temperature h hydraulic loads from soil f hydraulic loads from fluids.
And 1 90 lb 1 7 psf with ceiling be sure to add wt.
D dead load l live load l.
Gypsum board 2 0 psf 5 8 in.
The following table provides typical weights dead load self weight for various roofing materials where possible the values were taken directly from manufacturer technical data sheets and are the actual weights of specific representative products.
Roof material dead load table.
A clay tiled roof may have a dead load.