How To Figure Out Square Foot Of A Roof

You will need to express this size in terms of square feet.

How to figure out square foot of a roof.

As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. The first step in a free roofing estimate is measuring the roof dimensions. If this distance measures 4 inches you have a 4 in 12 pitch. This is simply 100 square feet of roof.

On a ladder beside the roof place the level a foot or so up the roof hold it level and measure from the 12 inch mark on the level s bottom straight down to the roof. 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. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. Add a square for waste so you will need 157 bundles.

With a more complex roof such is this one it is highly recommended that you make a basic sketch. In this overhead view you see both a hip end section and gable ends. To find the squares divide the overall roof area by 100 and then round up. Pitch measurement method 1.

Take the square foot of 5 128 divide by 100 100 sq ft is equal to one square so you have 51 28. Calculate each plane separately. 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. L 30 feet h 12 feet 30 12 2 180 square feet.

A square simply refers to a 10 x 10 square of roofing. 8 inches and you have an 8 in 12 pitch. A square of shingles is the number of shingles needed to cover 100 sq feet of roof area. Multiply the length and width of each square or rectangle shaped plane.

Outside of the u s a degree angle is typically used. However shingles are packaged in a way that they are light enough for the average person to carry around. If the house has an irregular shape measure each part separately figure the separate areas and add them together. For instance if the roof is 1550 square feet then it is 16 squares.

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. Measure the length and width of every roof plane or surface. Multiply the length by the width to arrive at the ground area of the house. How to calculate square feet of a roof.

Include dormers the small outjuttings over attic windows.