How To Figure Out Sq Feet Of Roof

A square simply refers to a 10 x 10 square of roofing.

How to figure out sq feet of roof. To find the squares divide the overall roof area by 100 and then round up. In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches. If the house has an irregular shape measure each part separately figure the separate areas and add them together. In this overhead view you see both a hip end section and gable ends.

You will need to express this size in terms of square feet. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. L 30 feet h 12 feet 30 12 2 180 square feet. Outside of the u s a degree angle is typically used.

Now that the basic concept has been covered let s take a look at a more complex roofing system. Calculate each plane separately. Multiply the length and width of each square or rectangle shaped plane. A square of shingles is the number of shingles needed to cover 100 sq feet of roof area.

As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. 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. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. The first step in a free roofing estimate is measuring the roof dimensions.

This is simply 100 square feet of roof. Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy. Include dormers the small outjuttings over attic. How to calculate square feet of a roof step 1.

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. With a more complex roof such is this one it is highly recommended that you make a basic sketch. Measure the length and width of every roof plane or surface. However shingles are packaged in a way that they are light enough for the average person to carry around.

For instance if the roof is 1550 square feet then it is 16 squares.