Slate Roof Weight Per Square Metre

Ft kilograms per square meter kg m 2 source.

Slate roof weight per square metre.

These are the weights of typical actual products. Weight of roofing materials. How much does slate weigh. Asphalt shingles 3 tab or strip 1 95 lbs.

Roofing slate created by nature over 500 million years ago has been used as a roof covering for more than a thousand years. A clay tiled roof may have a dead. Roof span 2 x roof pitch constant for rafter rafter length. The dead load of a typical asphalt shingled wood framed roof is about 15 pounds per square foot.

500 x 250mm slate 4 5mm thick 1 889 kg x 18 8 at 75mm lap 35 51kg per square metre. Back in 1926 the commercial standard slate thickness was 3 16. The weights of other actual products of the same type may vary. If the roof pitch is 35 the roof span is 6 5m wide and the roof length is 12 6m using the reference guide graphic above the calculation for the slope would look like this.

The load increases with the use of heavier roofing material. The number of roof slates that are needed depends on the slate size and the lap in mm. Here is an example of how the roofing measurement process works on a basic duo pitched roof. This table shows the required number of slates per square metre for effective coverage.

That s a great question especially when you are comparing it against other roofing products. 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.