Roof Slates Per M2 Calculator

Our slate calculator will do the rest remember when checking out to add 10 more onto the total in order to cover wastage. If your roof is rectangular or square getting this measurement should be easy. Decent quality examples come in at around 25 30 per m2 which is keen enough to compete with plain clay tiles.

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Slate sizes can start as small as 6 12 inches and be as large as 16 24.

Roof slates per m2 calculator.

For example if you re using a 20 10 slate 500mmx250mm you will require 21 slate per m2. This calculator will estimate the following number of slates required per square metre. We ve built a simple tool to calculate the amount of slate you need for your roof. Simply select the size of slate you need and enter the size of your roof in m2 into the box.

Slate half slates. The values shown in the slate coverage chart above are calculated using nominal sizes and incorporate a 5mm jointing gap. The following tools estimate the area of a roof as well as the amount of materials necessary to construct a roof of a given area. The most popular slate size in southern england is 500 x 250mm and 400 x 250mm in the north of england and scotland.

From your chosen size of slate and headlap calculated using our headlap tables use this coverage table to calculate how many slates per m2your roof will require. Holing gauge for holing slates. Once you know the square meterage of your roof the next stage is to calculate how many tiles you need. The amount of slates you need per square metre m2 depends on which slate size you re using.

If your roof deck was 6 metres long by 4 metres wide then you d need to multiply 6 by 4. 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. Please enter the dimensions in the white fields below and click calculate to show the results. How many roof tiles do i need.

On average slate measured at approximately 1 4 inch thick weighs between 700 and 800 pounds per square. Simply multiply the length of your roof deck by the width and you ve got the square meterage. This table shows the required number of slates per square metre for effective coverage. Tile batten gauge for slate.

The number of roof slates that are needed depends on the slate size and the lap in mm. The house base area is the area of land that the house covers and for more complex shapes can be estimated using the area calculator. This would mean your roof deck was 24 square metres. A 24 12 slate 600mmx300mm demands only 13 slate per m2.

One advantage of going for a british or spanish product is that it will meet european standards bs en. 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. Total linear run of tile batten in metres. 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.