Ho To Measure A Roof

If this distance measures 4 inches you have a 4 in 12 pitch.

Ho to measure a roof. 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. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. If you were to click on the peaks it wouldn t give you an accurate reading of your measurement. 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. The first step in a free roofing estimate is measuring the roof dimensions. Draw an overhead view of your roof. Calculate the pitch of the roof.

Thus in a simple style house you ll only have to click on the corners. Pitch measurement method 2 2. Stretch your tape measure along the walls from end to end. Use a pitch.

Each area on the roof is a single plane which just means it s a surface with a. Remember it doesn t have to be to scale or look pretty. L h 2 area calculating an area of a triangle when estimating a roof. For example what we need on the picture of the roofs below are measurements of all the blue or red lines.

Measuring your roof from the ground 1. You will need to express this size in terms of square feet. The pitch is the steepness of 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.

Measuring the length and width of each plane by hand 1. First measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface. Stow these items in a shoulder or hip pack while. Roughly draw out your roof on a piece of paper.

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. For help determining the area of a sloped roof see here. 1 roof square 100 square feet. Google earth pro was the paid version of google earth it used to.

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. The length l times the height h of a triangle is twice its area a2. 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. Find the length and width of the building s exterior walls.

Outside of the u s a degree angle is typically used. To find the pitch of your roof you ll first. The first thing you need to do is download and install google earth pro.