Slate Roof Weights

Ft kilograms per square meter kg m 2 source.

Slate roof weights.

The weights of other actual products of the same type may vary. These are the weights of typical actual products. On average slate measured at approximately 1 4 inch thick weighs between 700 and 800 pounds per square. 500 x 250mm slate 4 5mm thick 1 889 kg x 18 8 at 75mm lap 35 51kg 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. Weight of roofing materials. 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 will very with thickness of the slate.

Average weight for one square of 1 4 thick roofing slate is 800lbs. When ordering a slate s thickness considering the weight should be top priority. Weight per square metre. Slate sizes can start as small as 6 12 inches and be as large as 16 24.

Pounds per square foot lb ft 2 pounds per square 100 sq. 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.