How To Find Sqft Of A Roof

Divide any irregularly shaped areas of the roof into more manageable triangles and rectangles then calculate square footage for those individual elements and add them to get the total square footage.

How to find sqft of a roof.

Depending whether the roof area is measured horizontally. To calculate the area of your roof first you ll need to calculate the pitch of it. It affects walkability as well as drainage and roofs in areas of high rain or snowfall tend to have steeper pitches. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs.

Roof pitch is a determining factor for cost of the roof as well as the roof area and the type of materials used. A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally. Next place your ladder against your house at the gable end. First use your measuring tape to measure 12 inches on your large level and make a mark at the 12 inch line.

Less than 6 inches is a low pitch 6 to 9 inches is a medium pitch and more. To accurately calculate the area of your roof you must first determine its slope or pitch. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. For example take an area made up of a triangle that s 20 feet high and has a base of 40 feet plus a square that s 40 feet by 40 feet.

Find the 12 inch point on the level and measure straight down to the roof using a tape measure.