Slate Roof Weight Per Square Metre Uk

This table shows the required number of slates per square metre for effective coverage.

Slate roof weight per square metre uk.

500 x 250mm slate 4 5mm thick 1 889 kg x 18 8 at 75mm lap 35 51kg per square metre. The number of roof slates that are needed depends on the slate size and the lap in mm. Weight of roofing materials. 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.

That s a great question especially when you are comparing it against other roofing products. Roofing slate created by nature over 500 million years ago has been used as a roof covering for more than a thousand years. Here is an example of how the roofing measurement process works on a basic duo pitched roof. Ft kilograms per square meter kg m 2 source.

Total linear run of tile batten in metres. Asphalt shingles 3 tab or strip 1 95 lbs. Holing gauge for holing slates. 600 300 24 12 13 slate per m2 500 250 20 10 21 slate per m2 450 250 18 10 23 slate per m2 400 250 16 10 27 slate per m2 we ve built a simple tool to calculate the amount of slate you need for your roof.

Back in 1926 the commercial standard slate thickness was 3 16. These are the weights of typical actual products. 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. One advantage of going for a british or spanish product is that it will meet european standards bs en.

Decent quality examples come in at around 25 30 per m2 which is keen enough to compete with plain clay tiles. Please enter the dimensions in the white fields below and click calculate to show the results. How much does slate weigh. Roof span 2 x roof pitch constant for rafter rafter length.

Pounds per square foot lb ft 2 pounds per square 100 sq. Across a full roof with a tiled area of 170m2 this could equate to a saving of 1 700 or more compared to home grown slate. The weights of other actual products of the same type may vary. The values shown in the slate coverage chart above are calculated using nominal sizes and incorporate a 5mm jointing gap.

For example if you re using a 20 10 slate 500mmx250mm you will require 21 slate per m2. You will need the following amount of slate per m2. A 24 12 slate 600mmx300mm demands only 13 slate per m2.