To find the pitch of your roof you ll first.
Measure my roof.
The images that appear on google maps are often at a slight angle which combined with the angle of a roof can cause errors.
Roof reports and wall reports made easy.
If this distance measures 4 inches you have a 4 in 12 pitch.
Measuring your roof from the ground 1.
Pitch measurement method 2 2.
Remember that the length and width need to be found for the roof not the house so take into account that the roof overhangs the building.
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.
Then determine the area of the roof as if it were flat.
Outside of the u s a degree angle is typically used.
Thus in a simple style house you ll only have to click on the corners.
L 30 feet h 12 feet 30 12 2 180 square feet.
The pitch is the steepness of the roof.
If you were to click on the peaks it wouldn t give you an accurate reading of your measurement.
Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements.
Find the length and width of the building s exterior walls.
8 inches and you have an 8 in 12 pitch.
1 roof square 100 square feet.
So if you divide your answer of a product of length times height by two you will get the area of a triangle.
For this reason it is best to outline the roof at points which are all at the same elevation.
Stretch your tape measure along the walls from end to end.
The length l times the height h of a triangle is twice its area a2.
Calculate the pitch of the roof.
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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.
For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.
Use a pitch.
How to calculate your roof square footage first measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface.
Outline the roof at the points that are on the same level or elevation to ensure that you re getting an accurate calculation of your roofing measurements.