Measure Roof Pitch From Ground

For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally.

Measure roof pitch from ground.

A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. Take the following steps to measure your roof from the ground. Use a simple formula to approximate the square footage of triangular areas where two sections of a roof meet at each.

Express roof pitch as the ratio of the amount of the vertical rise of a roof or rise over the corresponding horizontal distance or run you write the pitch assuming a run of 12 inches thus the ratio would describe how much a roof rises for each foot of the run. See the image below for more explanation on rise run and pitch. Section off your roof and write your calculations down as shown below dotted lines. On the roof hold the level perfectly level and measure the height from the roof to the level 12 inches away from where the level touches the surface this will be the rise.

Determine your roof pitch see roofpitch if you need help. Make a outline of your roof on paper. To sum it up each individual tab on a 3 tab shingle measures approximately 12 wide by 6 high. Stretch your tape measure along the walls from end to end.

Research other methods for measuring a roof from the ground online or talk to a roofing contractor. If you do need to calculate the pitch an estimate or shortcut is usually more practical than measuring the roof s overall dimensions. As aforementioned there is no standard pitch of a roof. To find the pitch of your roof you ll first.

A 12 in 12 pitch is a steep 45 degree angle roof. Walking backwards and watching where you re going walk out to the distance where your eye aligns with the plane on the roof pitch. 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 ll need a level that is 12 or longer and a tape measure.

One method to find the pitch is to climb on the roof and measure the rise for a 12 run. The pitch is the steepness of the roof. Walk away from your house perpendicular to the wall that is under the roof pitch you d like to measure. Here are a couple examples.

Calculate the pitch of the roof. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs. 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. Outside of the u s a degree angle is typically used.

Find the length and width of the building s exterior walls. Use a pitch.