How To Find Roofing Squares

Next place your ladder against your house at the gable end.

How to find roofing squares. To determine if a roof is square measure from the eaves to the ridge at several points along the roof to see how parallel they run. 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. If this distance measures 4 inches you have a 4 in 12 pitch. You can also zoom the map and click on the starting point of the roof you wish to select.

Convert the area to roofing squares. Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100. Climb to the top of your roof. Roofs that are out of square can make the slots between shingle tabs look cockeyed.

First use your measuring tape to measure 12 inches on your large level and make a mark at the 12 inch line. The easiest way to measure this section is to divide it up into three different sections. S1 s2 and s3. Do the same from one gable end to the other to determine parallel and also measure the roof diagonally.

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 begin with you re going to go to the app on your mobile device or you will need to go to google earth on your laptop or desktop computer. There are many options here and you ll want to select the one that allows you to enter the address. After that place your level against the gable trim and flat against the side of the house.

8 inches and you have an 8 in 12 pitch.