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.

On average slate measured at approximately 1 4 inch thick weighs between 700 and 800 pounds per square. 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.

The weights of other actual products of the same type may vary. Weight will very with thickness of the slate. 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.

When ordering a slate s thickness considering the weight should be top priority. 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. These are the weights of typical actual products. Weight of roofing materials.

Not only for the building s structural integrity but shipping costs labour installation costs and lead times will play a big factor. Pounds per square foot lb ft 2 pounds per square 100 sq.