Slate Roof Weight

Slate roofing 3 8 inch slates.

Slate roof weight. Slate roofs national slate association 1926. Per square foot which meets standard structural roof specifications. Greenstone quality s1 rated vermont slate. Weight per square metre.

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 slate 3 8 thick 12 8 lb m ft 2 62 5 kg m 2 slate 1 2 thick 18 8 lb m ft 2 91 8 kg m 2. Slate roofing 1 2 inch slates. 500 x 250mm slate 4 5mm thick 1 889 kg x 18 8 at 75mm lap 35 51kg per square metre. Slate 1 4 10 0psf spanish 19 0psf wood 1 3 0psf cement tile add 6psf for mortar 10 0psf corrugated asbestos cement 4 0psf composition 235 lb shingle paper 5 0psf 3 ply ready roofing 1 0psf 2 15 lb 1 90lb 1 7psf 3 15 lb 1 90lb 2 2psf 3 ply gravel 5 6psf 4 ply gravel 6 0psf 5 ply gravel 6 5psf.

The dead load on a roof is the weight of the roof structure itself along with any permanently attached materials or structures on the roof so it must be designed first of all to support itself. Some markets such as california and texas prefer a lighter weight slate roof. Not only for the building s structural integrity but shipping costs labour installation costs and lead times will play a big factor. Total roof weight to less than 6 lbs per sq.

1 2 3 4. One of the drawbacks of slate for some homeowners is the heavy weight of slate roofing tiles which can be between 800 1 500 pounds per square 100 square feet. 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. Slate2 is a modern take on a traditional slate roof.

Slate roofing 1 4 inch slates. Weight will very with thickness of the slate. Consequently not all homes have the structural support necessary to take the weight of a slate roof and often additional reinforcement needs to be installed. The slatetec secret is its patented interlayment and its installation method.

Average weight for one square of 1 4 thick roofing slate is 800lbs. A slatetec slate roof installation reduces. An elegant merger between modern and traditional technologies slate2 can reduce the weight of a traditional slate roof by 40 bringing it under 6 lbs. Slate roofs national slate association 1926.

Slate roofs national slate association 1926.