Roofing Slates Per Square Metre

Here is an example of how the roofing measurement process works on a basic duo pitched roof.

Roofing slates per square metre. 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. 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. The values shown in the slate coverage chart above are calculated using nominal sizes and incorporate a 5mm jointing gap. If the roof pitch is 35 the roof span is 6 5m wide and the roof length is 12 6m using the reference guide graphic above the calculation for the slope would look like this.

Decent quality examples come in at around 25 30 per m2 which is keen enough to compete with plain clay tiles. For example if you re using a 20 10 slate 500mmx250mm you will require 21 slate per m2. This table shows the required number of slates per square metre for effective coverage. Simply select the size of slate you need and enter the size of your roof in m2 into the box.

A man with crawling boards moving over your roof can create even more damage through no fault of his own. The number of roof slates that are needed depends on the slate size and the lap in mm. Slate roofs national slate association 1926. Slate roofing 1 4 inch slates.

Slate roofing 3 8 inch slates. 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. Total linear run of tile batten in metres. 500 x 250mm slate 4 5mm thick 1 889 kg x 18 8 at 75mm lap 35 51kg per square metre.

This calculator will estimate the following number of slates required per square metre. Flat roof replacement costs. A 24 12 slate 600mmx300mm demands only 13 continue reading. Please enter the dimensions in the white fields below and click calculate to show the results.

Slate roofs national slate association 1926. 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. The amount of slates you need per square metre m2 depends on which slate size you re using. 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.

We recommend the addition of at least 5 wastage. Tile batten gauge for slate. Holing gauge for holing slates. The advantage is that just like interlocking tiles far less per metre are needed.

Slate roofing 3 16 inch slates.