Roofing Shingles How Much Do I Need

The result is 240 and this means you would need 240 squares of shingles to cover that roof.

Roofing shingles how much do i need.

A typical bundle of shingles weighs about 75 pounds while some premium products can weigh over 100 pounds per bundle so consider delivery of materials. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. X research source calculate your roof pitch to determine how steeply your roof slopes. Roofing felt is sold by the roll.

Waste is calculated at 7 5 for a gable roof and 15 for a hip roof which are typical in the roofing industry. Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years. The average roll of 15 pound roofing felt covers about 400 ft 2 or 4 squares while the average roll of 30 pound. How many rolls of felt will you need.

Marquis weathermax autumn brown 3 tab roofing shingles 33 3 sq. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. Roof surfaces are measured in squares a square is an area of roof which measures 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.

A square of shingles will be the amount needed to cover an area of 100 square feet. The most common roofing materials used in the united states include shingles membrane roofing and ceramic tile all of which have different life spans. A square of shingles is the number of shingles needed to cover 100 sq feet of roof area. 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.

Before you start the calculation you need to be aware that shingles are sold by the square and by the bundle. To determine the number of squares on the gable roof above simply divide its total of 24 000 square feet by 100. 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. However shingles are packaged in a way that they are light enough for the average person to carry around.