15 Roofing Felt Thickness

Its main purpose is to prevent moisture from leaking into a roof.

15 roofing felt thickness.

Roofing paper is an essential layer in the roofing process as it acts as extra protection from the elements. Felt roofing underlayment is typically available in two types. Width and a 144 ft. 30 pound roofing felt it is not paper it s made from either fiberglass or polyester that s been bound together with asphalt costs the same per roll as 15 pound felt but there are 216 square.

15 astm 4869 type i is an authentic 15 astm 4869 type i is an authentic asphalt saturated organic felt underlayment is used as a breathable secondary weather resistant barrier when applied over the roof deck prior to the installation of the primary roofing product. The best weight for roofing felt is the 30 pound product because it provides thicker and. No 15 felt and no. 15 pounds per hundred square feet and 30 pounds per hundred square feet.

Item 656632 model 0903000. 15 specification felt general information 15 specification felt astm d4869 type ii d226 type i atlas provides a complete selection of roofing felts or roofing paper. The 15 pound was for lighter weight projects while the 30 offered more heavy duty protection. Unrolled length that combine to provide over 430 sq.

30 felt is typically thicker stronger and may be less prone to tearing or ripping off during installation or weather events. Asphalt saturated heavy duty roofing felt is available in 15 and 30 pound weights. For many years roofers used asphalt saturated felt under roofing shingles and it was historically available in two standard weights. Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment.

30 pound roofing felt it is not paper it s made from either fiberglass or polyester that s been bound together with asphalt costs the same per roll as 15 pound felt but there are 216 square. The standard types of felt are 15 and the more waterproof 30. Roofing felt also called roofing felt paper is underlayed on roofs before shingles are added. The main advantage of using felt roofing underlayment is cost.

Organic dry felt is made from 100 post consumer recycled material. The numbers ihad a correlation to the weight not the thickness.