5 5 10 pounds per square foot steel standing seam will weigh about 85 120 pounds per 100 square feet of roof area.
Standing seam metal roof weight psf.
Aluminum standing seam weighs about 70 pounds per 100 square feet.
Pounds per square foot lb ft 2 pounds per square 100 sq.
In contrast asphalt shingles weigh from 275 425 pounds per 100 square feet.
Numbers may vary slightly among roofing industry sources but here are some weights drawn from three independent authorities.
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.
Asphalt shingles 3 tab or strip 1 95 lbs.
The weights of other actual products of the same type may vary.
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.
A 12 inches metal roofing panel weighs for about 10 lbs.
While most people think about metal roofing is heavier compared to other materials.
Ft kilograms per square meter kg m 2 source.
A single 26 gauge panel weighs only 0 88 lbs.
Per square foot a 4 12 lbs.
Standing seam roof panels weigh a relatively modest 11 2 pounds per square foot.
These are the weights of typical actual products.
Yet if you do the math and compare asphalt shingles over metal roofing asphalt can weigh 5 lbs.