How To Measure Roof For Square Footage

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

How to measure roof for square footage.

Measuring your roof from the ground 1. 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 were to click on the peaks it wouldn t give you an accurate reading of your measurement. The calculator cannot account for complex shapes based on a measurement of square footage alone.

Step 2 section the roof. Because each 100 square feet of roof is one roofing square divide. 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. Thus in a simple style house you ll only have to click on the corners.

How to measure roof square. Multiply the length by the width to arrive at. Step 1 understand your roof surface. Use a pitch.

Calculate the pitch of the roof. Measure the ground dimensions of the house using a tape measure and write down these dimensions. If your roof is 5 000 square feet. Stretch your tape measure along the walls from end to end.

Divide any irregularly shaped areas of the roof into more manageable triangles and rectangles then calculate square footage for those individual elements and add them to get the total square footage. Find the length and width of the building s exterior walls. Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy. The first step in a free roofing estimate is measuring the roof dimensions.

Step 3 consider the roof slope. Each square is 100 square feet. 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. Outline the roof at the points that are on the same level or elevation to ensure that you re getting an accurate calculation of your roofing measurements.

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. Convert the area to roofing squares. A home s roof is measured in squares. Step 4 take ground measurements.