Slate Roof Weights

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

Slate roof weights. Asphalt shingles 3 tab or strip 1 95 lbs. Weight of roofing materials. 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. 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.

Some markets such as california and texas prefer a lighter weight slate roof. On average slate measured at approximately 1 4 inch thick weighs between 700 and 800 pounds per square. These are the weights of typical actual products. Weight per square metre.

500 x 250mm slate 4 5mm thick 1 889 kg x 18 8 at 75mm lap 35 51kg per square metre. 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. The weights of other actual products of the same type may vary.

Weight will very with thickness of the slate. 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.