Roofing Slates Per Square Metre

This calculator will estimate the following number of slates required per square metre.

Roofing slates per square metre.

Roof span 2 x roof pitch constant for rafter rafter length. A man with crawling boards moving over your roof can create even more damage through no fault of his own. Slate roofs national slate association 1926. Slate roofs national slate association 1926.

Slate roofing 3 8 inch slates. 600 300 24 12 13 slate per m2 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. Total linear run of tile batten in metres. Slate roofing 3 16 inch slates.

We recommend the addition of at least 5 wastage. The exact material you use will have an impact on the cost of the roof with basic felt solutions costing around 50 per square metre for the material itself and more high end materials such as modern grp a form of fibreglass going up to 90 per square metre but allowing unlimited options in terms of colour and generally being more long lasting. Tile batten gauge for slate. 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.

If you only have a very few missing or cracked tile or slates with no apparent ingress it may be best to leave well alone. One advantage of going for a british or spanish product is that it will meet european standards bs en. For example if you re using a 20 10 slate 500mmx250mm you will require 21 slate per m2. The amount of slates you need per square metre m2 depends on which slate size you re using.

Please enter the dimensions in the white fields below and click calculate to show the results. Flat roof replacement costs. The values shown in the slate coverage chart above are calculated using nominal sizes and incorporate a 5mm jointing gap. The advantage is that just like interlocking tiles far less per metre are needed.

Holing gauge for holing slates. Simply select the size of slate you need and enter the size of your roof in m2 into the box. To calculate the weight per square metre simply multiply the weight per slate given below by the number of slates per square metre for the same slate listed above. A 24 12 slate 600mmx300mm demands only 13 continue reading.

Here is an example of how the roofing measurement process works on a basic duo pitched roof. Slate roofs national slate association 1926. Decent quality examples come in at around 25 30 per m2 which is keen enough to compete with plain clay tiles. Slate roofing 1 4 inch slates.

500 x 250mm slate 4 5mm thick 1 889 kg x 18 8 at 75mm lap 35 51kg per square metre.