Slate Roof Weights

Ft kilograms per square meter kg m 2 source.

Slate roof weights.

These are the weights of typical actual products. The weights of other actual products of the same type may vary. When ordering a slate s thickness considering the weight should be top priority. Slate sizes can start as small as 6 12 inches and be as large as 16 24.

Weight per square metre. 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. Weight of roofing materials. Pounds per square foot lb ft 2 pounds per square 100 sq.

Weight will very with thickness of the slate. 500 x 250mm slate 4 5mm thick 1 889 kg x 18 8 at 75mm lap 35 51kg per square metre. Some markets such as california and texas prefer a lighter weight slate roof. Average weight for one square of 1 4 thick roofing slate is 800lbs.

Not only for the building s structural integrity but shipping costs labour installation costs and lead times will play a big factor. Per square smaller roofing slates actually weigh more than larger slates and come in at around 800lbs square while larger slates 12 24 weigh about 700lbs square.