How To Figure Roof Squares

Estimate or calculate the pitch of your roof low medium or high.

How to figure roof squares.

Measure the ground dimensions of the house using a tape measure and write down these dimensions. For example take an area made up of a triangle that s 20 feet high and has a base of 40 feet plus a square that s 40 feet by 40 feet. L h 2 area calculating an area of a triangle when estimating a roof. Find the square footage of the roof.

The first step in a free roofing estimate is measuring the roof dimensions. How do you calculate square footage for a roof. For instance if the roof is 1550 square feet then it is 16 squares. If your roof is 2 000 sq.

This is simply 100 square feet of roof. Multiply the length by the width to arrive at. As an example if your overhang is 12 inches you ll add 2 feet to the overall length and 2 feet to the overall width of the house. Feet then you will have 20 squares.

So if you divide your answer of a product of length times height by two you will get the area of a triangle. Measure your house at ground level then add in the roof s overhang for greater accuracy. 2 000 100 20. A square simply refers to a 10 x 10 square of roofing.

You will need to express this size in terms of square feet. Roof pitches in degrees. Roofing pitch for square roof area finally the more complex part measuring your roof s pitch. This nominal square footage amount is then multiplied by a factor associated with the roof s pitch.

Measure the length and width of each portion of the roof multiply length by width for each plane and then add the planes together for the total square footage. 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. Because each 100 square feet of roof is one roofing square divide. Convert the area to roofing squares.

It is often compared to slope but is not exactly the same. 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. If you have a simple gable roof you ll only need to measure and sum up the 2 planes of the roof. 1 roof square 100 square feet.

Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run.