How To Figure Roof Size

Then calculate the pitch of the roof by placing a level against it angling the level so the bubble is centered and measuring the distance between the end of the level and the roof.

How to figure roof size.

Roof pitch is a determining factor for cost of the roof as well as the roof area and the type of materials used. To accurately calculate the area of your roof you must first determine its slope or pitch. Tips on measuring for roofing. Outside of the u s a degree angle is typically used.

Actual square feet of house. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. Keep in mind that the average size of a roof is 1 700 square feet so your total will likely be 10 higher or lower than this figure. The run is the distance from the outside edge of a.

Nominal roof size in sq. To accurately calculate the area of your roof you must first determine its slope or pitch. To measure a roof start by measuring the length and width of the building s exterior walls and multiplying them to get the area. Sq ft number of squares you need.

Roof pitches are described in terms of rise and run. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs. Ft roof pitch calculate. The first step in a free roofing estimate is measuring the roof dimensions.