Square Footage Of A Roof Square

Calculate each plane separately.

Square footage of a roof square.

Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy. Get the square footage of roof and divide it by 100 and it will give the number of squares you need and for every decimal number over 3 buy a bundle to achieve the amount of material. Just those two examples give you a range of from 1 3 times footprint square footage to almost 2 times for a one story house. Cecil venturella march 3.

The answer is the number of roofing squares for the roof. Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100. If your roof is flat or has no more than a 3 in 12 pitch you can calculate its total square footage by simply multiplying the length by the width. To determine the number of squares on the gable roof example in this post divide its total of 24 000 square feet by 100 24 000 100 240.

1 roofing square 100 square feet. Change the 2000sf dimensions to 45x44 4 feet with ridge along the 45 dimension you get 51x50 4 roof plan footage 2570 sf flat or 3635 at 12 12 slope. Take away overhangs and of course the ratio can go as low as 1 0. It does not matter how you arrive at 100 square feet.

This means you would need 240 squares of shingles to cover that roof. Steps to measuring roof square footage prepare. Use a tape measure to note the length and width of your roof including dormers. To determine the number of squares on the gable roof above simply divide its total of 24 000 square feet by 100.

A square is an area of roof which measures 100 square feet. Measure the length and width of every roof plane or surface. How to calculate square feet of a roof step 1. Multiply the length and width of each square or rectangle shaped plane.

Estimate the pitch of the roof. The term roofing square and roof pitch are the most commonly used terms in the roofing industry. 10 feet x 10 feet 100 square feet or 1 roofing square 5 feet x 20 feet 100 square feet or 1 roofing square. The calculator cannot account for complex shapes based on a measurement of square footage alone.

In cases where a roof has a complex shape such as in the image to the right measuring the dimensions and areas of each part of the roof to calculate total area will result in a more accurate measurement of area. Wear shoes boots with proper traction. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. The result is 240 and this means you would need 240 squares of shingles to cover that roof.

For your safety use a sturdy reliable ladder and secure to your roof.