Roof Slates Per M2

Slate roofs national slate association 1926.

Roof slates per m2.

When the marnhams self built an eco home in cornwall their planning department specified the use of slate for their roof. Slate roofing 3 8 inch slates. Values are calculated using nominal sizes and incorporating a 5mm joint gap as per bs 8000. 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.

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. Slate roofing 1 4 inch slates. Layer of chippings bedded in hot bitumen. 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.

The most popular slate size in southern england is 500 x 250mm and 400 x 250mm in the north of england and scotland. Please enter the dimensions in the white fields below and click calculate to show the results. Three 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.

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. This calculator will estimate the following number of slates required per square metre. The values shown in the slate coverage chart above are calculated using nominal sizes and incorporate a 5mm jointing gap. How many roof tiles do i need.

Three layer bitumious roof feling laid flat. Slate roofs national slate association 1926. Simply select the size of slate you need and enter the size of your roof in m2 into the box. 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.

This table shows the required number of slates per square metre for effective coverage. The number of roof slates that are needed depends on the slate size and the lap in mm. Holing gauge for holing slates. Welsh roof slate prices.

Slate roofing 3 16 inch slates. Tile batten gauge for slate. We recommend the addition of at least 5 wastage allowance. Total linear run of tile batten in metres.

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. Two layer bituminous roofing felt skirting 150mm high turned into groove. Two layer bitumious roof feling laid sloping.