How To Measure Roof Size From Ground

Be sure to find the area of any dormers on your roof as well.

How to measure roof size from ground.

Determine your roof pitch see roofpitch if you need help. If you were to click on the peaks it wouldn t give you an accurate reading of your measurement. Thus in a simple style house you ll only have to click on the corners. 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. If this distance measures 4 inches you have a 4 in 12 pitch. Go all the way around your house and fill in your outline with your measurements making sure to account for overhang. For trapezoidal roofs measure the bottom edge the top edge also known as the ridge and the distance between the 2 edges.

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. Pitch measurement method 1 1. Section off your roof and write your calculations down as shown below dotted lines. If the roof has a triangular shape stretch your tape measure along the bottom edge then measure from the peak point down to the center of the bottom edge.

Make a outline of your roof on paper. If a section is 120 feet 37 m x 100 feet 30 m its total square footage would be 12 000 square feet 1 100 m 2. Multiply the angle measurement for the pitch of the roof by the length of the roof to determine the square foot area of one side of the gable. Find the dimensions of each of the roof s faces.

Just multiply the length and width dimensions. 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. To sum it up each individual tab on a 3 tab shingle measures approximately 12 wide by 6 high.