Roof Measurements From The Ground

To sum it up each individual tab on a 3 tab shingle measures approximately 12 wide by 6 high.

Roof measurements from the ground.

For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. 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. 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. Calculate the pitch of the roof.

Stretch your tape measure along the walls from end to end. Use a pitch. It is often compared to slope but is not exactly the same. Find the length and width of the building s exterior walls.

The first of which is that you don t even have to go up on 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 your roof from the ground 1. We ll use satellite imagery and trigonometry to calculate your roof s measurements.

If this distance measures 4 inches you have a 4 in 12 pitch. Make a outline of your roof on paper. Go all the way around your house and fill in your outline with your measurements making sure to account for overhang. The length l times the height h of a triangle is twice its area a2.

Determine your roof pitch see roofpitch if you need help. Take the following steps to measure your roof from the ground. 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. 8 inches and you have an 8 in 12 pitch.

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. Roof reports and wall reports made easy. Use a simple formula to approximate the square footage of triangular areas where two sections of a roof meet at each. The pitch is the steepness of the roof.

L h 2 area calculating an area of a triangle when estimating a roof. 1 roof square 100 square feet. Section off your roof and write your calculations down as shown below dotted lines. This can make it even safer to do your measuring and it also removes a level of guessing to your calculation.

Pitch measurement method 2 2.