Estimate My Roof Size

The run is the distance from the outside edge of a.
Estimate my roof size. Divide your square footage by 100 to estimate your materials. Knowing how to estimate roofing materials is important. Nominal roof size in sq. A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally.
Not only will it help eliminate waste but it will also ensure that you buy just enough for the roofing job. Ft roof pitch calculate. 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. Dimensions measured from the ground.
After measuring the area of the footprint you can estimate the actual roof area based on the angle of the roof. Roof pitches are described in terms of rise and run. You will need to express this size in terms of square feet. Tips on measuring for roofing.
A low pitch rises 3 inches every 12 inches of base horizontal length. Calculate the size of your roof and estimate how many bundles of asphalt shingles rolls of felt and squares of roofing material are needed for a new roof. While it is possible to estimate the amount of necessary materials using only the total roof area measurement as can be seen from the table depending how large the pitch of the roof the actual area of the roof can differ by up to 2 236 from the measured total area at a pitch of 24 12. Dividing the total area of your roof by 100 will therefore help you figure out how many squares worth of shingles to order.
To accurately calculate the area of your roof you must first determine its slope or pitch. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs. Sq ft number of squares you need. Keep in mind that using google earth isn t going to give you a 100 percent accurate reading but it will give you a basic idea of the size of the roof for your calculations for the roofing materials.
Roofs have one of three pitches. A 12 in 12 pitch is a. Actual square feet of house. Don t use this as your only method of measuring.
The first step in a free roofing estimate is measuring the roof dimensions. Just use it as a starting point and you ll have a fairly basic idea of what you re dealing. You ll have to calculate your roof area or the overall size of your roof to determine the amount of materials you ll need. To accurately calculate the area of your roof you must first determine its slope or pitch.
Add the price per square of materials to get an estimated material cost. Estimate the pitch of the roof. The google maps area calculator is not 100 accurate.