How To Figure Square Footage Of A Flat Roof

Check that your footage measurements are within this range so you can start off on the right foot.

How to figure square footage of a flat roof. How to calculate square feet of a roof. Next you will need to use a roofing materials calculator. You can even embed this tool on a website that you own. Flat roofs 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. Measure the length and width of every roof plane or surface. Include dormers the small outjuttings over attic windows. Simply input the surface area of the roof choose from one of the available options and you will get your first roofing estimate.

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. It will also give you the perimeter of the shape of the roof. Using this tool will be very helpful for you in finding out the acreage or the tract of land of your property. 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.

A square simply refers to a 10 x 10 square of roofing. This is simply 100 square feet of roof. To find the squares divide the overall roof area by 100 and then round up. For instance if the roof is 1550 square feet then it is 16 squares.

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. How to estimate roofing materials. It will also give you the square footage of your roof and any other areas that you re wanting to estimate. Calculate each plane separately.

Convert the area to roofing squares. The calculator cannot account for complex shapes based on a measurement of square footage alone. Because each 100 square feet of roof is one. If its pitch is 6 in 12 a pitch multiplier of 1 12 multiplying 1 152 sq ft 107 0 m 2 by 1 12 would give you an overall square footage of 1 290 square feet 120 m 2.

If the house has an irregular shape measure each part separately figure the separate areas and add them together. Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy. You will need to express this size in terms of square feet.