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.
Roof rigid insulation weight psf.
Roof trusses span ft weight psf of horizontal plan area 30 5 0 35 5 5 40 6 0 50 6 5 60 7 5 80 8 5 100 9 5 120 10 5 150 11 5 floor joists i joists and open web depth in weight psf of horizontal plan area 9 1 2 2 5 11 7 8 3 5 14 4 0 16 4 5 18 5 0 20 5 5 24 6 0 26 6 3 28 6 6 30 7 0.
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.
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.
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.
A table of roof material weights including sheathing insulation and other decking materials.
Does anybody know what type of rigid insulation this is.
Rigid foam insulation packs a lot of r value into a thin package but not all rigid foam performs the same.
A built up roof for example will typically include the built up membrane itself with or without gravel as well as some kind of insulation and cover board which will vary in thickness from roof to roof.
Weights of building materials.
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.
Eps foam is typically around 1 psf per 12 of thickness 1 pcf.
Rigid fiberglass 1 thick 1 5psf syrofoam 1 thick 0 2psf poured gypsum 1 thick 6 5psf rock wool roll or batt 1 0 4psf glass wool roll or batt 1 0 2psf vermiculite concrete 1 2 6psf sheathing 1 2 3psf petrical 1 thick 2 7psf.