How To Square A Roof For Shingles

Convert the area into roofing squares the measurement used for materials.

How to square a roof for shingles. It generally takes three packs of shingles to cover 100 square feet 9 29 square meters. Measure your roof so you can be sure you buy the right amount of shingles. The most common roofing materials used in the united states include shingles membrane roofing and ceramic tile all of which have different life spans. In roofing terms a square is 100 square feet 9 3 meters.

Place nails in the three tab shingles about 3 4 inch 1 8 centimeters above the cutouts near where the tab meets the upper part of the shingle. Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years. It takes a square of shingles to cover 100 sq. Of your new roof.

Roof surfaces are measured in squares a square is an area of roof which measures 100 square feet. Architectural shingles are another option and are installed the same way as 3 tab shingles but give your roof more of a 3 d effect due to their varied shapes. To find the squares divide the overall roof area by 100 and then round up. Summary of the above.

Lay a starting row at the bottom of the roof along the edge. How to start shingles straight on a non square roof. 1 square of roof covers 100 sq ft area need 3 bundles of standard shingles usually. Shingles come pre packed in either paper or plastic wrapped bundles and they design them to be an ideal weight for one person to carry.

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. Therefore divide your total area by 100 or 9 3 if you re using meters to get the number of squares. You will find roof shingles sold by the bundle and by the square. A square simply refers to a 10 x 10 square of roofing.

To determine the number of squares on the gable roof above simply divide its total of 24 000 square feet by 100. The shingle bundles will be plastic or paper wrapped bundles that are made to be light enough for a single person to carry. The result is 240 and this means you would need 240 squares of shingles to cover that roof. With most roofs the line of the rafter tails or fascia board is perpendicular to a point at the center of the ridge or peak of the roof.

The most usual case when buying standard shingles i e three tab strip shingles and laminated shingles there are 29 standard sized shingles 12 in. Before you start the calculation you need to be aware that shingles are sold by the square and by the bundle.