Slate Roof Weight

Slate roofs national slate.

Slate roof weight.

Slate2 is a modern take on a traditional slate roof. 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. Total roof weight to less than 6 lbs per sq. 1 2 3 4.

When ordering a slate s thickness considering the weight should be top priority. 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. Average weight for one square of 1 4 thick roofing slate is 800lbs. Some markets such as california and texas prefer a lighter weight slate roof.

Slate roofs national slate association 1926. 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 roofing 3 8 inch slates. The slatetec secret is its patented interlayment and its installation method.

500 x 250mm slate 4 5mm thick 1 889 kg x 18 8 at 75mm lap 35 51kg per square metre. Weight will very with thickness of the slate. Greenstone quality s1 rated vermont slate. Slate roofs national slate association 1926.

A slatetec slate roof installation reduces. Slatetec uses today s technology to reduce the weight of genuine slate roofing. Not only for the building s structural integrity but shipping costs labour installation costs and lead times will play a big factor. Slate roofing 1 2 inch slates.

Slate roofs national slate association 1926. 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 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. Weight per square metre.

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.