How Much Roofing Paper Do I Need For 3 Square

Roof surfaces are measured in squares a square is an area of roof which measures 100 square feet.

How much roofing paper do i need for 3 square.

The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square. For many years roofers used asphalt saturated felt under roofing shingles and it was historically available in two standard weights. Then add 10 to the number to account for waste. Roofing felt also known as tar paper is a roll of felt coverage is often used when constructing a roof.

15 pounds per hundred square feet and 30 pounds per hundred square feet. It provides extra waterproofing to protect the wood until shingles are installed. Since it takes 3 bundles of shingles to cover a square plan to purchase 3 bundles for each 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.

To determine the number of squares on the gable roof above simply divide its total of 24 000 square feet by 100. In order to know the appropriate amount of roofing felt to use the roof pitch will need to be calculated first. 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. The result is 240 and this means you would need 240 squares of shingles to cover that roof.