Our slate calculator will do the rest remember when checking out to add 10 more onto the total in order to cover wastage.
Roof slates per m2.
Slate roofs national slate association 1926.
Two layer bituminous roofing felt skirting 150mm high turned into groove.
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.
Slate roofing 3 16 inch slates.
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.
Holing gauge for holing slates.
We recommend the addition of at least 5 wastage allowance.
Slate roofs national slate association 1926.
Slate roofs national slate association 1926.
Two layer bitumious roof feling laid sloping.
Values are calculated using nominal sizes and incorporating a 5mm joint gap as per bs 8000.
Slate roofing 1 4 inch slates.
Layer of chippings bedded in hot bitumen.
Three layer bitumious roof feling laid sloping.
Slate roofing 3 8 inch slates.
Welsh cornish and cumbrian varieties are among the most prized examples with prices starting from around 40 per m2 although this can easily rise to 60 per m2 or more depending on the product you choose.
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.
This calculator will estimate the following number of slates required per square metre.
This table shows the required number of slates per square metre for effective coverage.
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.
Welsh roof slate prices.
Three layer bitumious roof feling laid flat.
The values shown in the slate coverage chart above are calculated using nominal sizes and incorporate a 5mm jointing gap.
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.
Total linear run of tile batten in metres.
How many roof tiles do i need.
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.
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.
Simply select the size of slate you need and enter the size of your roof in m2 into the box.
Please enter the dimensions in the white fields below and click calculate to show the results.