It is often compared to slope but is not exactly the same.
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For this reason it is best to outline the roof at points which are all at the same elevation.
8 inches and you have an 8 in 12 pitch.
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The images that appear on google maps are often at a slight angle which combined with the angle of a roof can cause errors.
How to use the google maps area calculator tool to measure a roof special precautions must be taken when measuring the area of a roof.
There are many great benefits to using google earth to measure your roof but nothing is as good as using diy s satellite roof measurement.
Pitch measurement method 2 2.
Google earth pro was the paid version of google earth it used to.
Roof sketch for roofing contractors create professional looking roof measurement reports at no cost try it free.
Search the address confirm location by moving pin on map.
The first thing you need to do is download and install google earth pro.
This can make it even safer to do your measuring and it also removes a level of guessing to your calculation.
If this distance measures 4 inches you have a 4 in 12 pitch.
For instance a 7 12 roof pitch means that the roof rises 7 inches.
With an online roofing calculator you will usually be able to drill down a bit deeper in order to see a fine grained cost breakout on a sq ft basis.
On a ladder beside the roof place the level a foot or so up the roof hold it level and measure from the 12 inch mark on the level s bottom straight down to the roof.
The first of which is that you don t even have to go up on the roof.
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 help determining the area of a sloped roof see here.
And even flat roofs usually have a little bit of a slope so you might want to use a roof pitch multiplier once you have your area figured out 1.