How Much Roofing Paper Do I Need For 3 Square

15 pounds per hundred square feet and 30 pounds per hundred square feet.

How much roofing paper do i need for 3 square.

The result is 240 and this means you would need 240 squares of shingles to cover that roof. The 15 pound was for lighter weight projects while the 30 offered more heavy duty protection. In order to know the appropriate amount of roofing felt to use the roof pitch will need to be calculated first. For many years roofers used asphalt saturated felt under roofing shingles and it was historically available in two standard weights.

1square of roofing covers 100 square feet of roof a bundle is 1 3 of a 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. To estimate roofing materials start by finding the total square footage of the roof and divide the number by 100 to determine the number of squares in the roof. To determine the number of squares on the gable roof above simply divide its total of 24 000 square feet by 100.

Roofing felt also known as tar paper is a roll of felt coverage is often used when constructing a roof. It provides extra waterproofing to protect the wood until shingles are installed. The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square. Roof surfaces are measured in squares a square is an area of roof which measures 100 square feet.