How To Measure Roofs From Ground

Find the length and width of the building s exterior walls.

How to measure roofs from ground. Determine your roof pitch see roofpitch if you need help. Measuring your roof from the ground 1. The first technique is referred to as the shingle count method which is used for estimating the measurements of all rectangular shaped sections of a roof. Calculate the pitch of the roof.

Stretch your tape measure along the walls from end to end. Multiple the number of shingles times the width of each shingle which you can measure at ground level to get b in the figure below. To sum it up each individual tab on a 3 tab shingle measures approximately 12 wide by 6 high. Use a simple formula to approximate the square footage of triangular areas where two sections of a roof meet at each.

Measure the horizontal run of the roof surface from the ground a in the third figure below. L h 2 area calculating an area of a triangle when estimating a roof. To find the pitch of your roof you ll first. Research other methods for measuring a roof from the ground online or talk to a roofing contractor.

The pitch is the steepness of the roof. The length l times the height h of a triangle is twice its area a2. Take the following steps to measure your roof from the ground. So if you divide your answer of a product of length times height by two you will get the area of a triangle.

1 roof square 100 square feet. Section off your roof and write your calculations down as shown below dotted lines. Go all the way around your house and fill in your outline with your measurements making sure to account for overhang.