Residential Roof Dead Load

15 psf x 14ft 210 pounds per lineal foot.

Residential roof dead load.

Floor live load 40 psf floor dead load 20 psf during construction a 20 piece stack of 5 8 in. With tar and gravel. By 4 x 12 gypsum board is stored near the mid span of two of the trusses with the long dimension parallel to the trusses. It is important to list live load dead load and total load separately because live load is used to compute stiffness and total load is used to calculate strength.

The dead load on a roof is the weight of the roof structure itself along with any permanently attached materials or structures on the roof so it must be designed first of all to support itself. Girder load width half joist span live load on roof local requirements for wind and snow. At the time the trusses are sheathed with in. The values for dead loads in table 3 2 are for commonly used materials and constructions in light frame residential buildings.

Dead loads consist of the permanent construction material loads comprising the roof floor wall and foundation systems including claddings finishes and fixed equipment. When used for storage only dead load of attic floor not floored 10 lbs. 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. Live load on attic floor local requirements.

Ft dead load of roof of wood shingle construction 10 lbs. 50 psf x 14ft 700 pounds per lineal foot. Foot ceiling construction gypsum sheetrock finish 10psf floor construction carpet or vinyl 10 psf hardwood floor 12 psf ceramic tile 15 psf.