Residential Roof Dead Load

In a few cases the weights we give were calculated using more general manufacturer data or.

Residential roof dead load.

When used for storage only dead load of attic floor not floored 10 lbs. Therefore this guide serves as a resource document for residential building designers and as a. The following table provides typical weights dead load self weight for various roofing materials. Unlike the trussed roof live load and dead load of the rafters and ceiling joists must be accounted for as separate systems.

Dwellings see residential elevator machine room grating on area of 2 in. Light frame wood roof with wood structural panel sheathing and 1 2 inch gypsum board ceiling 2 psf with asphalt shingle roofing 3 psf 15 psf. Where possible the values were taken directly from manufacturer technical data sheets and are the actual weights of specific representative products. Dead loads cont d typical weights of horizontal systems roof construction asphalt shingles 15 psf pounds per sq.

3 3 dead loads dead loads consist of the permanent construction material loads comprising the roof floor wall and foundation systems including claddings finishes and fixed equipment. With tar and gravel. Since it is possible to use the attic for storage the live load of the attic floor is set at 20 psf according to code. D dead load l live load l r live roof load w wind load s snow load e earthquake load r rainwater load or ice water load t effect of material temperature.

Foot ceiling construction gypsum sheetrock finish 10psf floor construction carpet or vinyl 10 psf hardwood floor 12 psf ceramic tile 15 psf. With conventional clay tile roofing. Dead load of roof of wood shingle construction 10 lbs. Live load on attic floor local requirements.

The values for dead loads in table 3 2 are for commonly used materials and constructions in light frame residential buildings. Advance residential building design by unifying the current practice of applying design loads improving the level of efficiency in the design effort and promoting cost effective results.