Simply select the size of slate you need and enter the size of your roof in m2 into the box.
Roof slates per m2.
Welsh roof slate prices vary massively across our selection of products as capital grade and county grade 5 5mm and 7 5mm thick respectively welsh roof slates come from penrhyn and cwt y bugail quarries in snowdonia national park.
Values are calculated using nominal sizes and incorporating a 5mm joint gap as per bs 8000.
Slate roofing 3 16 inch slates.
Three layer bitumious roof feling laid sloping.
Two layer bituminous roofing felt skirting 150mm high turned into groove.
The number of roof slates that are needed depends on the slate size and the lap in mm.
The most popular slate size in southern england is 500 x 250mm and 400 x 250mm in the north of england and scotland.
Slate roofing 1 4 inch slates.
20 10 500mmx250mm 21 slate per m2 24 12 600mmx300mm 13 slate per m2 if you know the surface area of your roof you can use our simple roof slate calculator to give you the exact amount of slates you require to complete the job.
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.
Tile batten gauge for slate.
Slate roofs national slate association 1926.
This calculator will estimate the following number of slates required per square metre.
We recommend the addition of at least 5 wastage allowance.
Two layer bitumious roof feling laid sloping.
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 values shown in the slate coverage chart above are calculated using nominal sizes and incorporate a 5mm jointing gap.
This table shows the required number of slates per square metre for effective coverage.
Our slate calculator will do the rest remember when checking out to add 10 more onto the total in order to cover wastage.
Slate roofing 3 8 inch slates.
How many roof tiles do i need.
Slate roofs national slate association 1926.
Layer of chippings bedded in hot bitumen.
Slate roofs national slate association 1926.
When the marnhams self built an eco home in cornwall their planning department specified the use of slate for their roof.
Welsh roof slate prices.
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.
Please enter the dimensions in the white fields below and click calculate to show the results.
Three layer bitumious roof feling laid flat.
Widely known as some of the best most high quality roof slates in the world welsh roof slate prices justifiable run from around 2 per.
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.
