Before starting work it s important to know the dimensions of the roof and the type of tile you will be using.
Roof tile coverage calculator.
The pitch of the roof is the rise over a 12 inch run.
It can also account for the gap or overlap between tiles.
Shingle roofs typically have a life span of 15 30 years.
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We now need to calculate the square meterage of your roof often shown as m2.
This is a question we get asked all the time.
Use our roof pitch calculator to find the pitch of your roof.
Using the aggregate area of these simple shapes can yield a more accurate roof area to be used with the roofing material calculator.
Roof pitch area multipliers.
First find out the area of the roof.
Interlocking roof tile calculator.
Since it takes 3 bundles of shingles to cover a square plan to purchase 3 bundles for each square.
Alternatively you can choose from the list below.
The calculator makes four calculations to calculate the amount needed.
The most common roofing materials used in the united states include shingles membrane roofing and ceramic tile all of which have different life spans.
If a bespoke calculator is available for the product you ll see a button on the page prompting you to calculate how many tiles you need.
Gable hip roofs will have the same area provided that the pitch remains the same.
In order to calculate the amount of roof slate you will require an accurate measurement of the roof is required.
Please use our online roof tile calculator to calculate an estimate of how many interlocking roof tiles you need for the whole of a gable to gable roof.
Next multiply the footprint of the roof by the multiplier below for your roof pitch to find the overall roof area.
For example a 4 12 pitch roof that is 100 square feet.
A factor which can vastly change the price of a new roof or improvements to an existing roof is the number of tiles used.
Calculating interlocking roof tiles.
This free tile calculator estimates the total number of tiles needed to cover an area such as a floor wall or roof.
How to calculate roof size.
We ll go into calculating slate quantities further on.
100 1 054 105 4ft 2.
To estimate roofing materials start by finding the total square footage of the roof and divide the number by 100 to determine the number of squares in the roof.
Enter length of the roof eave length.
This will provide an area calculation for clay or concrete roof tile natural or composite slate underfelt or breathable felt and ridge length.