Metre above 30 please also see coverage gauge table on the measuring guide tab above or the fixing guide.
How many roof slates per square metre.
The values shown in the slate coverage chart above are calculated using nominal sizes and incorporate a 5mm jointing gap.
Information sheet on slates and tiles roof tiling there are many types and designs of roof tiles but they essentially fall into two categories.
5 5 to 6 5 per linear metre depending on gauge.
5 5 per linear metre.
Tiles per square metre.
The number of roof slates that are needed depends on the slate size and the lap in mm.
A square is a 10 10 foot section use the calculator below.
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.
Once you know the square meterage of your roof the next stage is to calculate how many tiles you need.
We recommend the addition of at least 5 wastage allowance.
Metre at 25 to 27 5 19 slates sq.
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.
You can do the same thing with feet if you prefer to use imperial measurements.
They can be clay or concrete which is cheaper and are placed next.
Holing gauge for holing slates.
Please enter the dimensions in the white fields below and click calculate to show the results.
To calculate the number of tiles required the calculator multiplies the millimetre mm width and length of one tile to ascertain its area coverage then divides 1m 2 by the result providing the amount of tiles you will need.
Total linear run of tile batten in metres.
Simply multiply the length of your roof deck by the width and you ve got the square meterage.
The answer depends on the length and width of the slate and also the headlap that is used when installing.
This table shows the required number of slates per square metre for effective coverage.
Need to find out how many slate per square.
Metre at 27 5 to 30 18 slates sq.
Individual tiles normally called plain tiles these are about 12mm 1 2inch thick and took over from slate roofing in the 1930 s.
Metre at 14 to 25 20 slates sq.
Simply select the size of slate you need and enter the size of your roof in m2 into the box.
This calculator will estimate the following number of slates required per square metre.
The normal headlap is 3 inches but this may need to be increased when installing on a lower slope roof.
How many roof tiles do i need.
This would mean your roof deck was 24 square metres.
Tile batten gauge for slate.