How Much Roofing Paper Do I Need For 3 Square

Asphalt shingles range in price from about 25 per bundle for a standard 3 tab style to around 50 75 or more for an upgraded architectural style.

How much roofing paper do i need for 3 square.

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. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. The 15 pound was for lighter weight projects while the 30 offered more heavy duty protection. Then add 10 to the number to account for waste.

For many years roofers used asphalt saturated felt under roofing shingles and it was historically available in two standard weights. It provides extra waterproofing to protect the wood until shingles are installed. 15 pounds per hundred square feet and 30 pounds per hundred square feet. To determine the number of squares on the gable roof above simply divide its total of 24 000 square feet by 100.

Roof surfaces are measured in squares a square is an area of roof which measures 100 square feet. The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square. Roofing felt also known as tar paper is a roll of felt coverage is often used when constructing a roof. The result is 240 and this means you would need 240 squares of shingles to cover that roof.