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.
Residential roof dead load.
Floor live load 40 psf floor dead load 20 psf during construction a 20 piece stack of 5 8 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.
Foot ceiling construction gypsum sheetrock finish 10psf floor construction carpet or vinyl 10 psf hardwood floor 12 psf ceramic tile 15 psf.
Dead loads cont d typical weights of horizontal systems roof construction asphalt shingles 15 psf pounds per sq.
910 pounds per lineal foot.
15 psf x 14ft 210 pounds per lineal foot.
With tar and gravel.
At the time the trusses are sheathed with in.
Ft dead load of roof of wood shingle construction 10 lbs.
Live load on attic floor local requirements.
When used for storage only dead load of attic floor not floored 10 lbs.
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.
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.
Dead loads consist of the permanent construction material loads comprising the roof floor wall and foundation systems including claddings finishes and fixed equipment.