Slate roofing 1 2 inch slates.
Slate roof weight.
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.
Slate roofing 3 8 inch slates.
A square of shingles is a roofing term for 100 square feet of material.
When ordering a slate s thickness considering the weight should be top priority.
For more information about slatetec reduced weight slate roof installation call us toll free at 800 619 4333 or contact us here.
500 x 250mm slate 4 5mm thick 1 889 kg x 18 8 at 75mm lap 35 51kg 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.
Slate roofs national slate association 1926.
Greenstone slate slatetec slate roof installation video series a slatetec slate roof installation is very similar to traditional installation techniques but with less slate overlap due to patented rugged.
Like natural slate roofing concrete tiles are heavy which means if you need a new roof you may need to have your building structurally inspected prior to installation.
One downside is slate s heavy weight a residential roof might need reinforcing to hold slate.
Some markets such as california and texas prefer a lighter weight slate roof.
1 lb m ft 2 4 88 kg m 2.
It typically takes 3 bundles of shingles to cover a square of roof.
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.
However concrete tiles are lighter in weight and less costly to install than natural slate tiles.
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 roofs national slate.
A properly installed and maintained slate roof looks beautiful and can last more than 100 years depending on the type and origin of the slate the roof style and the climate.
Not only for the building s structural integrity but shipping costs labour installation costs and lead times will play a big factor.
To calculate shingle weight you ll need to understand bundles and squares.
The weight of truss rafter must be added to calculate the dead load of the roof.
