Roofing Shingles How Much Do I Need

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

Roofing shingles how much do i need.

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. Marquis weathermax autumn brown 3 tab roofing shingles 33 3 sq. How many rolls of felt will you need. The result is 240 and this means you would need 240 squares of shingles to cover that roof.

You ll need longer nails for this part as you re driving through more layers of shingles. A square of shingles will be the amount needed to cover an area of 100 square feet. Note that in the last 3 4 years costs of roof shingles and many accessories have gone down by an average of 18 20 currently the us national average for benchmark architectural shingles is around 74 51 square or 25 per bundle. However shingles are packaged in a way that they are light enough for the average person to carry around.

Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years. Although ceramic tile roofs are expensive they can have a life span of over 100 years. The most common roofing materials used in the united states include shingles membrane roofing and ceramic tile all of which have different life spans. You can either use special shingles called ridge shingles or cut a number of regular shingles into 3 tabbed equal pieces and bend each so they fit snugly on the roof peak and nail them into place.

Waste is calculated at 7 5 for a gable roof and 15 for a hip roof which are typical in the roofing industry. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. For example you may need to pay double the cost in asphalt shingles if your roof has a 12 12 pitch a rise of 12 inches 30 cm per 1 foot 0 30 m as opposed to a 4 12 pitch. A square of shingles is the number of shingles needed to cover 100 sq feet of roof area.

Before you start the calculation you need to be aware that shingles are sold by the square and by the bundle. Roofing felt is sold by the roll. X research source calculate your roof pitch to determine how steeply your roof slopes. Roof surfaces are measured in squares a square is an area of roof which measures 100 square feet.