Slate Roof Weights

500 x 250mm slate 4 5mm thick 1 889 kg x 18 8 at 75mm lap 35 51kg per square metre.

Slate roof weights.

Not only for the building s structural integrity but shipping costs labour installation costs and lead times will play a big factor. When ordering a slate s thickness considering the weight should be top priority. Ft kilograms per square meter kg m 2 source. Felt tar and slag roofing 5 ply 5 3 lb m ft 2 25 9 kg m 2 ceramic slate 5 8 lb m ft 2 28 3 kg m 2 reconstituted slate 4 4 lb m ft 2 21 5 kg m 2 clay tile 10 8 lb m ft 2 52 7 kg m 2 asphalt roll roofing 1 1 lb m ft 2 5 4 kg m 2 concrete tile 9 3 lb m ft 2 45 4 kg m 2 slate 1 4 to 3 16 thick 9 1 lb m ft 2 44 4 kg m 2.

Pounds per square foot lb ft 2 pounds per square 100 sq. Weight per square metre. To calculate the weight per square metre simply multiply the weight per slate given below by the number of slates per square metre for the same slate listed above. Slate sizes can start as small as 6 12 inches and be as large as 16 24.

Asphalt shingles 3 tab or strip 1 95 lbs. Weight will very with thickness of the slate. The weights of other actual products of the same type may vary. On average slate measured at approximately 1 4 inch thick weighs between 700 and 800 pounds per square.

Some markets such as california and texas prefer a lighter weight slate roof. Weight of roofing materials.