Per square foot a 4 12 lbs.
Standing seam metal roof weight psf.
Yet if you do the math and compare asphalt shingles over metal roofing asphalt can weigh 5 lbs.
The weights of other actual products of the same type may vary.
These are the weights of typical actual products.
Pounds per square foot lb ft 2 pounds per square 100 sq.
Ft kilograms per square meter kg m 2 source.
Asphalt shingles 3 tab or strip 1 95 lbs.
When long life is required for unpainted products a s building systems offers galvalume an aluminum zinc alloy coated steel with a coating of 55 aluminum 43 5 zinc and 1 5 silicon by weight applied to the steel substrate by the hot dip process in accordance with astm a 792.
Weight of roofing materials.
A 12 inches metal roofing panel weighs for about 10 lbs.
In contrast asphalt shingles weigh from 275 425 pounds per 100 square feet.
Steel roofing depending on its gauge can weigh anywhere from 7 to 1 3 pounds per square foot versus asphalt shingles which weigh two to 2 pounds per square foot.
While most people think about metal roofing is heavier compared to other materials.
Aluminum standing seam weighs about 70 pounds per 100 square feet.
Standing seam roof panels weigh a relatively modest 11 2 pounds per square foot.
Numbers may vary slightly among roofing industry sources but here are some weights drawn from three independent authorities.
Cfr roof systems metl span cfr roof panel is an insulated metal standing seam roof panel and is the foremost innovation in all in one composite roof panel design combining durable interior and exterior faces with metl span s unmatched polyurethane core.