Super fast super affordable roof measurements.
Roof measurements in squares.
The length l times the height h of a triangle is twice its area a2.
It is often compared to slope but is not exactly the same.
If your roof is flat or has no more than a 3 in 12 pitch you can calculate its total square footage by simply multiplying the length by the width.
For your safety use a sturdy reliable ladder and secure to your roof.
1 roof square 100 square feet.
Steps to measuring roof square footage prepare.
A home s roof is measured in squares.
Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100.
First measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface.
Use a tape measure to note the length and width of your roof including dormers.
The answer is the number of roofing squares for the roof.
If your roof is 5 000 square feet.
Estimate the pitch of the roof.
Be careful walking around so.
L h 2 area calculating an area of a triangle when estimating a roof.
So if you divide your answer of a product of length times height by two you will get the area of a triangle.
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Each square is 100 square feet.
How to measure roof square.
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.
Step 2 section the roof.
Whenever a contractor is measuring a roof they know that each square of roofing shingles is 3 bundles for the most part and if you have 20 squares of roofing you will need 60 bundles of shingles.
Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements.
Step 3 consider the roof slope.
Square used outside of the roofing industry.
Step 4 take ground measurements.
Wear shoes boots with proper traction.