Roof Measurements From The Ground

This can make it even safer to do your measuring and it also removes a level of guessing to your calculation.

Roof measurements from the ground.

Research other methods for measuring a roof from the ground online or talk to a roofing contractor. Pitch measurement method 2 2. The first of which is that you don t even have to go up on the roof. Roof reports and wall reports made easy.

If this distance measures 4 inches you have a 4 in 12 pitch. 8 inches and you have an 8 in 12 pitch. There are many great benefits to using google earth to measure your roof but nothing is as good as using diy s satellite roof measurement. It is often compared to slope but is not exactly the same.

To sum it up each individual tab on a 3 tab shingle measures approximately 12 wide by 6 high. 1 roof square 100 square feet. The length l times the height h of a triangle is twice its area a2. We ll use satellite imagery and trigonometry to calculate your roof s measurements.

To find the pitch of your roof you ll first. Use a pitch. 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.

Outside of the u s a degree angle is typically used. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. 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. The first technique is referred to as the shingle count method which is used for estimating the measurements of all rectangular shaped sections of a roof.

Determine your roof pitch see roofpitch if you need help. Take the following steps to measure your roof from the ground. Section off your roof and write your calculations down as shown below dotted lines. Find the length and width of the building s exterior walls.

Use a simple formula to approximate the square footage of triangular areas where two sections of a roof meet at each. Make a outline of your roof on paper. 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. Calculate the pitch of the roof.

Stretch your tape measure along the walls from end to end.