How To Measure Flat Roofs Squares

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.

How to measure flat roofs squares.

If a section is 120 feet 37 m x 100 feet 30 m its total square footage would be 12 000 square feet 1 100 m 2. Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements. Keep in mind that the average size of a roof is 1 700 square feet so your total will likely be 10 higher or lower than this figure. Be sure to find the area of any dormers on your roof as well.

You will need to express this size in terms of square feet. S1 s2 and s3. If this distance measures 4 inches you have a 4 in 12 pitch. If you were to click on the peaks it wouldn t give you an accurate reading of your measurement.

The first step in a free roofing estimate is measuring the roof dimensions. Make a note of the square footage of each square or rectangular section on your diagram. 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. 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.

For example if your home is 60 feet long and 40 feet wide you would multiply the length by the width and come up with 2 400 square feet. Just multiply the length and width dimensions. The roof surface area would be 24. This number will provide you the level area beneath the roof.

As you can see s1 and s3 are the same size but you still need to document all measurement points to verify your material calculation accuracy. To convert the square footage to roof squares divide the square footage by 100. Thus in a simple style house you ll only have to click on the corners. 8 inches and you have an 8 in 12 pitch.