How To Measure A Roof

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 a roof.

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. Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements. It does have to contain all the straight lines of your roof and an accurate measurement of. For help determining the area of a sloped roof see here.

Measuring the length and width of each plane by hand 1. Google earth pro was the paid version of google earth it used to. And even flat roofs usually have a little bit of a slope so you might want to use a roof pitch multiplier once you have your area figured out 1. Remember it doesn t have to be to scale or look pretty.

Pitch measurement method 2 2. 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. So if you divide your answer of a product of length times height by two you will get the area of a triangle. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.

Each area on the roof is a single plane which just means it s a surface with a. Thus in a simple style house you ll only have to click on the corners. Use a pitch. Stretch your tape measure along the walls from end to end.

Find the length and width of the building s exterior walls. To find the pitch of your roof you ll first. If you were to click on the peaks it wouldn t give you an accurate reading of your measurement. Draw an overhead view of your roof.

You will need to express this size in terms of square feet. The length l times the height h of a triangle is twice its area a2. L 30 feet h 12 feet 30 12 2 180 square feet. The pitch is the steepness of the roof.

Select the style that best matches your project and move on to step 1. Calculate the pitch of the roof. Stow these items in a shoulder or hip pack while. The first thing you need to do is download and install google earth pro.

If this distance measures 4 inches you have a 4 in 12 pitch. The hip style roof is in blue and the gable style roof is in red. 1 roof square 100 square feet. Climb a ladder with a notepad a pencil and a measuring tape.

The first step in a free roofing estimate is measuring the roof dimensions. 8 inches and you have an 8 in 12 pitch. Outside of the u s a degree angle is typically used. 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.