Slate Roof Weights

When ordering a slate s thickness considering the weight should be top priority.

Slate roof weights.

Slate sizes can start as small as 6 12 inches and be as large as 16 24. 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 per square metre. On average slate measured at approximately 1 4 inch thick weighs between 700 and 800 pounds per square.

Weight of roofing materials. 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. 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.

Asphalt shingles 3 tab or strip 1 95 lbs. Pounds per square foot lb ft 2 pounds per square 100 sq. Not only for the building s structural integrity but shipping costs labour installation costs and lead times will play a big factor. 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 will very with thickness of the slate. These are the weights of typical actual products.