How To Figure Square Footage Of A Flat Roof

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.

How to figure square footage of a flat roof.

Include dormers the small outjuttings over attic windows. Calculate each plane separately. Using this tool will be very helpful for you in finding out the acreage or the tract of land of your property. A square simply refers to a 10 x 10 square of roofing.

It will also give you the perimeter of the shape of the roof. How to calculate square feet of a roof. Convert the area to roofing 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.

It will also give you the square footage of your roof and any other areas that you re wanting to estimate. Because each 100 square feet of roof is one. Although roofing projects are estimated and sold by the square roofing material is often not sold in 1 square increments. 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.

Next you will need to use a roofing materials calculator. 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. Simply input the surface area of the roof choose from one of the available options and you will get your first roofing estimate. 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. For instance if the roof is 1550 square feet then it is 16 squares. To find the squares divide the overall roof area by 100 and then round up. You will need to express this size in terms of square feet.

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. Check that your footage measurements are within this range so you can start off on the right foot. How to estimate roofing materials.

If your roof measures 48 feet 15 m x 24 feet 7 3 m multiplying its length by its width would give you a square footage of 1 152 square feet 107 0 m 2. 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. The calculator cannot account for complex shapes based on a measurement of square footage alone.