Slate Roof Weight Psf

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.

Slate roof weight psf.

The benefits of slatetec. Very similar to traditional installation techniques but with less slate overlap. Slate roofing 1 4 inch slates. Roofing slate created by nature over 500 million years ago has been used as a roof covering for more than a thousand years.

Slate roofing 1 2 inch slates. Back in 1926 the commercial standard slate thickness was 3 16. Random widths color blends drop downs and staggers. 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.

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. How much does slate weigh. Spray polyurethane foam closed cell. When working out the upper limit that the slate floor will weigh ensure that you always use the maximum thickness quoted when given nominal dimensions of the tiles.

S1 rated greenstone slate overall roof cost reduction. 1 2 3 4. Reduces slate weight by up to 40. On a roof with a slope greater than 4 to 12 the live load limit is typically adjusted downward from 20 psf to 15 psf to allow for the relatively greater dead load on the steeper roof.

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. Slate roofs national slate association 1926. That s a great question especially when you are comparing it against other roofing products. Weight per slate in kilogrammes.

Slate roofing 3 8 inch slates. The slatetec secret is its patented interlayment and its installation method. Total roof weight to less than 6 lbs per sq. Reduces weight to under six pounds per square foot.

Slate roofs national slate association 1926. 500 x 250mm slate 4 5mm thick 1 889 kg x 18 8 at 75mm lap 35 51kg per square metre. If the slate tiles are 3 8 thick they will weigh around 5 5 lbs per sq ft. All the traditional slate roof options are available including.

Weight per square metre 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. For 1 2 slate the figure is around 7 3 lbs per sq ft and is approximately 11 lbs per sq ft for 3 4. Slate roofs national slate association 1926. Slate roofs national slate association 1926.

Slatetec uses today s technology to reduce the weight of genuine slate roofing.