The load increases with the use of heavier roofing material.
Roof membrane weight psf.
Weights of building materials.
After combining the weight of components i e.
These are the weights of typical actual products.
Installing plywood walkways to avoid deck damage.
Atlantic single ply system 17000 system 17000 plus system 5000 classic commodity systems.
Roofing equipment may be very heavy and concentrated construction loads must be distributed by appropriate means e g.
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Use our table below to compare membrane thickness and weight for our range of flat roofing.
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Pounds per square foot lb ft 2 pounds per square 100 sq.
Insulation membrane fasteners and adhesive typical installation weight is less than 2 pounds per square foot 10 kg per square meter when 060 thick membrane typically weighing 1 3 pound per square foot or 1 6 kg per square meter is utilized.
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.
Asphalt shingles 3 tab or strip 1 95 lbs.
The dead load of a typical asphalt shingled wood framed roof is about 15 pounds per square foot.
A clay tiled roof may have a dead load.
Ft kilograms per square meter kg m 2 source.
The weight of a roofing system varies depending on components used.
Bur systems are not especially heavy with smooth roofs weighing 1 to 2 psf and aggregate roofs at 4 to 5 psf.