Measure the length and width of each portion of the roof multiply length by width for each plane and then add the planes together for the total square footage.
Form to measure roofing.
5 feet 1 5 m x 4 feet 1 2 m 2 10 square.
To calculate the size of the roof you need to measure the size of the roof as if it were flat account for roof pitch calculate square footage and finally determine how many squares of material are required for the roof the calculator above can handle all of this simply enter the length width and pitch and it will determine the size of the roof in squares.
From the diagrams there are two intersecting roofs measuring 114 feet and 30 feet at the eaves with equal rake of 18.
Take note of the following points when you are preparing a roofing estimate.
Mick mcgettigan december 29 2015 at.
Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run.
Measuring for a metal roof begins with getting a ladder.
To determine the slope of your roof you will have to know the slope of your deck.
You will need to express this size in terms of square feet.
The first step in a free roofing estimate is measuring the roof dimensions.
This is a rather complicated way to estimate a roof area and hardly suited to the diy fans.
It should have all the details your clients need to know.
Step 3 consider the roof slope.
Do the job right the first time for contractors this means all members of your team sales production installation etc and the homeowner can be on the same page when it comes to the roofing job.
Roof measurements are then used to quote any roofing job and completely eliminate the need to re measure.
If you have a simple gable roof you ll only need to measure and sum up the 2 planes of the roof.
So if the base is 5 feet 1 5 m and the height is 4 feet 1 2 m then you re equation would look like this.
If the pitch of the roof is not that steep you won t have to worry too much about following.
In order to calculate this measure the vertical rise of your deck over a 12 inch horizontal distance in inches.
You should do this with someone that can hold one end of the tape measure so you can go to the other ends.
In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches.
For instance a 7 12 roof pitch means that the roof rises 7 inches.
Keep in mind that the average size of a roof is 1 700 square feet so your total will likely be 10 higher or lower than this figure.
For instance if the measurement is four inches over the 12 inch horizontal distance your roof slope will be 4 12.
It is often compared to slope but is not exactly the same.
Diy guide with diagrams.
You will need to go up on top.
2 thoughts on how to measure and estimate a roof like a pro.
Find the square footage of the roof.
