Roof Insulation Weight Psf

Weight psf sheathing plywood per in.

Roof insulation weight psf.

The weight of truss rafter must be added to calculate the dead load of the roof. Weights of building materials pounds per square foot psf ceiling acoustical fiber board 1 1 suspended steel channel system 1 2 suspended wood channel system 2 5 2x8 ceiling joists 16 o c r 49 insulation 1 2 gypsum board 7 1 plaster 8 1 2 gypsum board 1 2 2 5 8 gypsum board 1 2 75 roof fiberglass shingles 3. Thickness 12 0 ceramic or quarry tile in. Thickness 3 4 10 0 concrete fill per 1 in.

Thick 150 concrete block wall 8 in. Thick 125 12 in. Thickness 1 8 0 4 gypsum sheathing per 1 in. This includes the roofing felt that underlies the shingles.

Thickness 12 0 gypsum fill per 1 in. Thick 100 10 in. The shingles weigh 2 5 lbs per square foot of surface area. When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary.

3 ply ready roofing 1 0psf 2 15 lb 1 90lb 1 7psf 3 15 lb 1 90lb 2 2psf 3 ply gravel 5 6psf 4 ply gravel 6 0psf 5 ply gravel 6 5psf. Description weight psf roof dead load framing sheathing asphalt shingles insulation drywall 10 exterior wall 2 4 framing sheathing siding insulation drywall 10 floor joist sheathing carpeting drywall 10 concrete wall 8 in. In the past couple of years many of you have pursued bid work primarily because the current market for our traditional design build business has dramatically declined. 1 lb m ft 2 4 88 kg m 2.

A table of roof material weights including sheathing insulation and other decking materials. Weights of building materials. Thickness 2 5 floors and floor finishes asphalt mastic per 1 in. We need to convert this to weight on a horizontal projected area so the shingle weight becomes 2 5 psf times 1 2 or 3 0 psf.

Asce states that rigid roof insulation weighs 1 5 psf per inch of thickness whereas polyiso insulation like thermax is 0 25psf per inch. 9 aug 17 15 48.