Need to find out how many slate per square.
How many roof slates in a square metre.
A 24 12 slate 600mmx300mm demands only 13 slate per m2.
The answer depends on the length and width of the slate and also the headlap that is used when installing.
This calculator will estimate the following number of slates required per square metre.
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.
Holing gauge for holing slates.
This table shows the required number of slates per square metre for effective coverage.
Total linear run of tile batten in metres.
How many roof tiles do i need.
Simply select the size of slate you need and enter the size of your roof in m2 into the box.
Tile batten gauge for slate.
A square is a 10 10 foot section use the calculator below.
The amount of slates you need per square metre m2 depends on which slate size you re using.
The values shown in the slate coverage chart above are calculated using nominal sizes and incorporate a 5mm jointing gap.
The number of roof slates that are needed depends on the slate size and the lap in mm.
Once you know the square meterage of your roof the next stage is to calculate how many tiles you need.
For example if you re using a 20 10 slate 500mmx250mm you will require 21 slate per m2.
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.