Measuring A Roof For Tiles

When setting out the measure a roof s area to calculate the materials that will be required the following three steps are essential.

Measuring a roof for tiles.

M2 area roof b. Roof pitch is the angle that is created as the rafter leaves the ceiling joist. Measure the pitch or angle of the roof slope work out the rafter or hip valley length measure the span building width or run half building width. Firstly you will need the measurement for the length of your roof.

M2 area shed roof. 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. Enter length of the roof eave length. 1 roof square 100 square feet.

Next you will need the roof slope height. It can also be represented as the proportion between the rise and the run of the roof for example for every 1 metre in width the roof rises 1 metre in height or otherwise known as 45 degrees. Or a fall of. You re just looking for the outer perimeter at this stage.

The first thing you need to do is find to find these three measurements. Firstly you measure the length of the rafter which normally runs from the gutter to the ridge line of the roof. Complete one side at a time before moving on to other areas. We now need the ridge line length represented by the y.

Cover width of your chosen tile we ll call this x for this example batten gauge of your chosen tile we ll call this y for this example and the pitch of your roof which will be 25 for this example. Or a fall of. To ensure that you order the right number of roof tiles we d recommend you measure the roof deck itself. Or a fall of.

For the sake of this article let s say the rafter length is 4 linear metres represented by x in the image below. If your roof is rectangular or square getting this measurement should be easy. Calculating interlocking roof tiles. Measure each side of the main section of the roof.

Interlocking roof tile calculator. This measurement is different from the height of the roof which is taken at the apex where both sides meet. The length l times the height h of a triangle is twice its area a2. Simply multiply the length of your roof deck by the width and you ve got the square meterage.

In this context a plane is defined as each flat continuous section of the roof. L h 2 area calculating an area of a triangle when estimating a roof.