Residential Roof Dead Load

When used for storage only dead load of attic floor not floored 10 lbs.

Residential roof dead load.

Dead loads consist of the permanent construction material loads comprising the roof floor wall and foundation systems including claddings finishes and fixed equipment. Dead loads cont d typical weights of horizontal systems roof construction asphalt shingles 15 psf pounds per sq. 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.

The values for dead loads in table 3 2 are for commonly used materials and constructions in light frame residential buildings. With conventional clay tile roofing. 15 psf x 14ft 210 pounds per lineal foot. 50 psf x 14ft 700 pounds per lineal foot.

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

Floor live load 40 psf floor dead load 20 psf during construction a 20 piece stack of 5 8 in. With tar and gravel. At the time the trusses are sheathed with in.