Residential Roof Dead Load
910 pounds per lineal foot.
Residential roof dead load. 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. Floor live load 40 psf floor dead load 20 psf during construction a 20 piece stack of 5 8 in. Dead loads cont d typical weights of horizontal systems roof construction asphalt shingles 15 psf pounds per sq.
50 psf x 14ft 700 pounds per lineal foot. Dead loads consist of the permanent construction material loads comprising the roof floor wall and foundation systems including claddings finishes and fixed equipment. 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. Foot ceiling construction gypsum sheetrock finish 10psf floor construction carpet or vinyl 10 psf hardwood floor 12 psf ceramic tile 15 psf.
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. 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. With tar and gravel.
Ft dead load of roof of wood shingle construction 10 lbs. When used for storage only dead load of attic floor not floored 10 lbs. The values for dead loads in table 3 2 are for commonly used materials and constructions in light frame residential buildings.