How Many Roof Slates Per Meter

Tile batten gauge for slate.

How many roof slates per meter.

Area of slope rafter length x roof length x 2 on both sides of the roof with the figures in this example the calculation would look like this. For your chosen size of slate use this coverage table to calculate how many slates per m2 your roof will require. Total linear run of tile batten in metres. How many slates you need to cover your roof per square metre depends on the gauge and increments according to your roof pitch.

Individual tiles normally called plain tiles these are about 12mm 1 2inch thick and took over from slate roofing in the 1930 s. How many roof tiles do i need. Decent quality examples come in at around 25 30 per m2 which is keen enough to compete with plain clay tiles. Therefore if your rafter length was 4 linear meters your calculation would be 4 x 2 5 10 quantity slate half s.

The values shown in the slate coverage chart above are calculated using nominal sizes and incorporate a 5mm jointing gap. Likewise you can use this guide to calculate the same around chimneys and skylights or anywhere where cutting is involved. Once that you have the first layer of slates on your battens the next layer and onwards to the ridge should be layered on top. This calculator will estimate the following number of slates required per square metre.

Per square smaller roofing slates actually weigh more than larger slates and come in at around 800lbs square while larger slates 12 24 weigh about 700lbs square. 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. Slate sizes can start as small as 6 12 inches and be as large as 16 24. We recommend the addition of at least 5 wastage allowance.

Holing gauge for holing slates. For your chosen size of slate use this coverage table to calculate how many slates per m2 your roof will require. 18 10 450mmx250mm 23 slate per m2. They can be clay or concrete which is cheaper and are placed next.

16 8 400mmx200mm 29 slate per m2. 3 97 x 12 6 x 2 100 04m total roof area when you know this you can work out all the materials needed to complete your project. This table shows the required number of slates per square metre for effective coverage. 20 10 500mmx250mm 21 slate per m2.

One advantage of going for a british or spanish product is that it will meet european standards bs en. You would need 2 5 of these slate per linear metre. How many slates per m2. The number of roof slates that are needed depends on the slate size and the lap in mm.

Please enter the dimensions in the white fields below and click calculate to show the results. 16 10 400mmx250mm 27 slate per m2.