Measuring Roof Pitch From The Ground

Measuring your roof from the ground 1.

Measuring roof pitch from the ground.

Use a level against the underside of the rafter you re measuring to get the most accurate value. Roof pitch is represented in inches rise of 12 inches run. Locate the level s 12 inch mark. 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. Determine your roof pitch see roofpitch if you need help. For example a 3 pitch or 3 in 12 pitch or 3 12 pitch all mean that the roof rises 3 inches for every 12 inches of it s horizontal run. To sum it up each individual tab on a 3 tab shingle measures approximately 12 wide by 6 high.

Measure the height from the ground to the. Stretch your tape measure along the walls from end to end. Calculate the pitch of the roof. For a roof with the ridge above one wall the span is the same as the run.

The most precise way to find the roof s slope is by measuring it from the underside. For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally. The slope is the same as the pitch. Section off your roof and write your calculations down as shown below dotted lines.

Make a outline of your roof on paper. Access one of the rafters then take the measurement this way. Use a pitch. Take the following steps to measure your roof from the ground.

For more complex roofs you may need to calculate it section by. 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. As a tip if you. Measure the distance from where you re standing to the face of the wall you walked away from.

Research other methods for measuring a roof from the ground online or talk to a roofing contractor. Use a simple formula to approximate the square footage of triangular areas where two sections of a roof meet at each.