Ho To Measure A Roof

Calculate the pitch of the roof.
Ho to measure a roof. You will need to express this size in terms of square feet. 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. 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. Use a pitch.
The first thing you need to do is download and install google earth pro. First measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface. 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. If this distance measures 4 inches you have a 4 in 12 pitch.
Draw an overhead view of your roof. Remember it doesn t have to be to scale or look pretty. Measuring your roof from the ground 1. So if you divide your answer of a product of length times height by two you will get the area of a triangle.
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 those lines. Measuring the length and width of each plane by hand 1. Pitch measurement method 2 2.
Each area on the roof is a single plane which just means it s a surface with a. Roughly draw out your roof on a piece of paper. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. 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.
Outside of the u s a degree angle is typically used. Thus in a simple style house you ll only have to click on the corners. If you were to click on the peaks it wouldn t give you an accurate reading of your measurement. Climb a ladder with a notepad a pencil and a measuring tape.
The pitch is the steepness of the roof. To find the pitch of your roof you ll first. For example what we need on the picture of the roofs below are measurements of all the blue or red lines. Stretch your tape measure along the walls from end to end.
The length l times the height h of a triangle is twice its area a2. For help determining the area of a sloped roof see here. 1 roof square 100 square feet. The first step in a free roofing estimate is measuring the roof dimensions.
Stow these items in a shoulder or hip pack while. L h 2 area calculating an area of a triangle when estimating a roof. Google earth pro was the paid version of google earth it used to.