Slate Roof Weight

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Slate roof weight.

Greenstone quality s1 rated vermont slate. 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. Weight will very with thickness of the slate. Some markets such as california and texas prefer a lighter weight slate roof.

Slate roofs national slate. A slatetec slate roof installation reduces. 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. 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. 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. 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. Total roof weight to less than 6 lbs per sq.

Per square foot which meets standard structural roof specifications. Slate roofs national slate association 1926. Slatetec uses today s technology to reduce the weight of genuine slate roofing. The slatetec secret is its patented interlayment and its installation method.

Slate2 is a modern take on a traditional slate roof. When ordering a slate s thickness considering the weight should be top priority. Slate roofing 3 8 inch slates. Slate roofing 1 2 inch slates.

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. Slate roofing 1 4 inch slates. Weight per square metre. Slate roofs national slate association 1926.

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.