Pounds per square foot lb ft 2 pounds per square 100 sq.
Roof membrane weight psf.
Installing plywood walkways to avoid deck damage.
The dead load of a typical asphalt shingled wood framed roof is about 15 pounds per square foot.
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.
Roofing equipment may be very heavy and concentrated construction loads must be distributed by appropriate means e g.
Ft kilograms per square meter kg m 2 source.
After combining the weight of components i e.
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A clay tiled roof may have a dead load.
The weights of other actual products of the same type may vary.
Weights of building materials.
Atlantic single ply system 17000 system 17000 plus system 5000 classic commodity systems.
Asphalt shingles 3 tab or strip 1 95 lbs.
Use our table below to compare membrane thickness and weight for our range of flat roofing.
Bur systems are not especially heavy with smooth roofs weighing 1 to 2 psf and aggregate roofs at 4 to 5 psf.
The weight of a roofing system varies depending on components used.
The load increases with the use of heavier roofing material.
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Weight of roofing materials.