Roof Rigid Insulation Weight Psf

Roof dead loads in psf material weight felt per ply 5 gravel 4 roll roofing 1 235 ib shingles and paper 2 5 2 15 ib and i 90 ib 1 7 3 15 ib and i 90 ib 2 2 3 ply ready roofing 1 3 ply felt and gravel 5 6 4 ply felt and gravel 6 built up roof 5 ply felt and gravel 6 5 concrete plank 6 5 insulrock 2 7.

Roof rigid insulation weight psf.

Hardwood 1 nominal 4 0psf quarry or ceramic tile 3 4 10 0psf linoleum or soft tile 1 5psf vinyl tile 1 8 thick 1 4psf soft tile and sheet 1 5psf gypcrete 3 4 6 5psf. Asphalt roll roofing 1 1 lbm ft2 5 4 kg m2 asphalt shingle or asphalt fiberglass composite shingle 2 7 lbm ft2 13 2 kg m2 metal roofing aluminum or steel panel sheet or shingle 1 2 lbm ft2 5 9 kg m2 terne plate copper bearing steel sheet 0 7 lbm ft2 3 4 kg m2. 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. A table of roof material weights including sheathing insulation and other decking materials.

Choose rigid insulation wisely and consider the effect its characteristics will have on the performance of the your project overall product cost and the best way to get the bang for your buck. The weights of material table in the steel manual and the minimum design dead loads table in asce 7 lists rigid insulation at 1 5 psf per 1 of thickness. Weights of building materials. Eps foam is typically around 1 psf per 12 of thickness 1 pcf.

Asce states that rigid roof insulation weighs 1 5 psf per inch of thickness whereas polyiso insulation like thermax is 0 25psf per inch. Does anybody know what type of rigid insulation this is. When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary. Rigid foam insulation packs a lot of r value into a thin package but not all rigid foam performs the same.