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How do satellite roof measurements determine pitch.
This can make it even safer to do your measuring and it also removes a level of guessing to your calculation.
Here s an easy safe way to determine the pitch from inside your attic.
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To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil.
A 12 in 12 pitch is a steep 45 degree angle roof.
A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally.
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.
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It s pretty self explanatory after that.
Google earth pro was the paid version of google earth it used to.
For help determining the area of a sloped roof see here.
You ll need to figure out the vertical distance also known as the rise over a 12 horizontal segment also known as the run.
For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.
The next step is to measure the pitch also referred to as the roof slope of the roof deck.
Time is money and if you choose to use satellite image measurement tools those costs can add up.
Outside of the u s a degree angle is typically used.
The first thing you need to do is download and install google earth pro.
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.
Zoom in on the roof then select tools at the top left then select ruler.
See the image below for more explanation on rise run and pitch.
If the angle changes too much when you zoom in go to view at the top left then click on reset at the bottom of the drop down menu then click tilt.
Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs.
You can assess this in two ways either as the roof pitch angles which the rafters make with the horizontal or the proportion between the run and the rise of the roof.
Roof pitch refers to the slope which the rafter creates.
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.
First measure 12 inches from one end of the level and make a mark.
Measure from satellite aerial drone blueprint images.
Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level.
