Live And Dead Load For Residential Roofs

The values for dead loads in table 3 2 are for commonly used materials and constructions in light frame residential buildings.

Live and dead load for residential roofs.

Natural and engineered wood rest relatively lightly on the foundation but support less live loads than steel and concrete. With conventional clay tile roofing. 50 psf x 14ft 700 pounds per lineal foot. 15 psf x 14ft 210 pounds per lineal foot.

These dynamic loads may involve considerations such as impact momentum vibration and etc. Structural steel offers much less of a dead load and provides superior support for live loads in multi story buildings. Building materials are not dead loads until constructed in permanent position. The total dead plus live loads equal the gravity load of the structure.

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. 910 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. 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.