Ho To Measure A Roof

1 roof square 100 square feet.

Ho to measure a roof.

Remember it doesn t have to be to scale or look pretty. 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. 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.

First measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface. Measuring your roof from the ground 1. Each area on the roof is a single plane which just means it s a surface with a. It does have to contain all the straight lines of your roof and an accurate measurement of those lines.

Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements. Outside of the u s a degree angle is typically used. L h 2 area calculating an area of a triangle when estimating a roof. So if you divide your answer of a product of length times height by two you will get the area of a triangle.

Find the length and width of the building s exterior walls. Draw an overhead view of your roof. Calculate the pitch of the 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.

Google earth pro was the paid version of google earth it used to. 8 inches and you have an 8 in 12 pitch. The first step in a free roofing estimate is measuring the roof dimensions. To find the pitch of your roof you ll first.

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. You will need to express this size in terms of square feet. 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. 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.

Use a pitch. Measuring the length and width of each plane by hand 1. If you were to click on the peaks it wouldn t give you an accurate reading of your measurement. Roughly draw out your roof on a piece of paper.

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

If this distance measures 4 inches you have a 4 in 12 pitch. Stow these items in a shoulder or hip pack while. For example what we need on the picture of the roofs below are measurements of all the blue or red lines.