Type 15 Roofing Felt

Roofing paper is an essential layer in the roofing process as it acts as extra protection from the elements.

Type 15 roofing felt. Fifteen pound felt has a perm rating of about 5 although this number can rise in high humidity conditions. The 15 pound was for lighter weight projects while the 30 offered more heavy duty protection. 15 felt type construction helps provide an extra layer of protection between your shingles and your roof deck not included heavy duty design lays flat to help minimize wrinkling asphalt saturation to help improve waterproofing ability to help prevent wind driven rain and water from other sources from infiltrating under your shingles and. Tarah asphalt product 15 astim d226 216 sq.

No 15 felt and no. It is designed as underlayment for roofs. Felt underlayment is water resistant but not waterproof. Felt roofing underlayment is typically available in two types.

The type i recommend depends on roof slope. For slopes less than 4 12 i recommend 2 layers of 15. In my opinion felt paper is a vapor barrier plus keeps the oils in the shingles from leaching out and into the wood substrate i e. It s available in two thicknesses.

Plywood or osb roof deck so 15 20 or 30 will work for any shingle roof. Saturated roofing felt and is suitable for commercial and residential uses. 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. Asphalt felt type 15 provides top notch secondary protection for any roofing project. Tarah asphalt product 15 astim d226 216 sq. Available with 2 inch guidelines for fast and easy installation of the shingles.

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. Sheds water that may be driven under the shingles to give your home added protection. Item 656632 model 0903000. Helps reduce the possibility of leaks.

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