Roof surfaces are measured in squares a square is an area of roof which measures 100 square feet.
How to square a roof for shingles.
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.
Summary of the above.
Therefore divide your total area by 100 or 9 3 if you re using meters to get the number of squares.
Of your new roof.
The result is 240 and this means you would need 240 squares of shingles to cover that roof.
Convert the area into roofing squares the measurement used for materials.
You will find roof shingles sold by the bundle and by the square.
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.
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.
Before you start the calculation you need to be aware that shingles are sold by the square and by the bundle.
How to start shingles straight on a non square 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.
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.
By 36 in in each bundle.
It generally takes three packs of shingles to cover 100 square feet 9 29 square meters.
In roofing terms a square is 100 square feet 9 3 meters.
To determine the number of squares on the gable roof above simply divide its total of 24 000 square feet by 100.
Measure your roof so you can be sure you buy the right amount of shingles.
A square of shingles will be the amount needed to cover an area of 100 square feet.
The shingle bundles will be plastic or paper wrapped bundles that are made to be light enough for a single person to carry.
The most common roofing materials used in the united states include shingles membrane roofing and ceramic tile all of which have different life spans.
Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years.
Lay a starting row at the bottom of the roof along the edge.
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.
1 square of roof covers 100 sq ft area need 3 bundles of standard shingles usually.
It takes a square of shingles to cover 100 sq.