How To Figure Linear Feet For Roofing

1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.

How to figure linear feet for roofing. Roofing contractors estimate projects and materials by the square so it is crucial to find this measurement to accurately estimate the amount of material needed. You will need to express this size in terms of square feet. Take the square foot of 5 128 divide by 100 100 sq ft is equal to one square so you have 51 28. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.

Outside of the u s a degree angle is typically used. Divide the total roof area in. A square simply refers to a 10 x 10 square of roofing. The first step in a free roofing estimate is measuring the roof dimensions.

How to calculate metal roof in linear feet step 1. Measure the length and width in feet then multiply together to find the square footage. It takes 3 bundles per square so you will multiply 51 28 by 3 and you will get 153 84. Finally divide the square footage of the roof by the square footage of the metal roofing panel to find the number of panels needed for your roof.

Determine the width in inches of your proposed roof shingles or other materials. Measure the overall width and length of the roof with the tape measure and record this with the pencil on the. A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally. Multiply the roof s length by its width to get the total.

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. 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. Add 12 inches to the length measurement for an overhang of 6 inches at each end of the roof s top and bottom. To find the squares divide the overall roof area by 100 and then round up.

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. Panels are often measured in inches use our inches to feet conversion calculator to convert to feet. This is simply 100 square feet of roof. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs.

Add a square for waste so you will need 157 bundles.