Weight Of Slate Roof Per M2

For example if you re using a 20 10 slate 500mmx250mm you will require 21 slate per m2.

Weight of slate roof per m2.

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. Roofing slate created by nature over 500 million years ago has been used as a roof covering for more than a thousand years. 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 roofs national slate association 1926. Decent quality examples come in at around 25 30 per m2 which is keen enough to compete with plain clay tiles. From your chosen size of slate and headlap calculated using our headlap tables use this coverage table to calculate how many slates per m 2 your roof will require. The most popular slate size in southern england is 500 x 250mm and 400 x 250mm in the north of england and scotland.

That s a great question especially when you are comparing it against other roofing products. The values shown in the slate coverage chart above are calculated using nominal sizes and incorporate a 5mm jointing gap. Back in 1926 the commercial standard slate thickness was 3 16. Synthetic slates life expectancy in years per unit cost of roofing 0 20 40 60 80 100 66 years 49 years 41 years 37 years 100 years roofing product concrete tiles clay tiles fibre cement slates synthetic slates weight kg m2 51 0 63 0 21 4 24 7 32 0 durability years 30 40 30 30 100 repairs maintenance of initial cost 10 10 12 12 12 re.

1 lb m ft 2 4 88 kg m 2. A 24 12 slate 600mmx300mm demands only 13 continue reading. The number of roof slates that are needed depends on the slate size and the lap in mm. How much does slate weigh.

This table shows the required number of slates per square metre for effective coverage. 500 x 250mm slate 4 5mm thick 1 889 kg x 18 8 at 75mm lap 35 51kg per square metre. Slate roofing 3 8 inch slates. The weight of truss rafter must be added to calculate the dead load of the roof.

The amount of slates you need per square metre m2 depends on which slate size you re using. 0 80 mm steel sheet. Slate roofs national slate association 1926. One advantage of going for a british or spanish product is that it will meet european standards bs en.