Roof Felt Paper 15 Vs 30

Felt paper is commonly produced with a certain number of recycled products and coated with asphalt.

Roof felt paper 15 vs 30.

15 lb felt paper weighed 15 pounds per 100 sq. Asked by marlon april 30 2020. One roofing square and 30 lb felt paper weighed 30 pounds per square. Labor is higher for peel and stick.

Asphalt saturated heavy duty roofing felt is available in 15 and 30 pound weights. 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. You will need just under 1 2 of a roll. As technology has changed and manufacturing has improved these are.

The 15 pound was for lighter weight projects while the 30 offered more heavy duty protection. We use the 30 felt paper because i feel it is the best product for your roof. A 66 foot roll of synthetic underlayment will set you back about 86. It s created by saturating paper or fiberglass mat with asphalt.

It is thicker and heavier than the alternative 15 so if water ever gets under your shingles it has to work extra hard to get through the felt. Felt roofing underlayment is typically available in two types. Felt has a 36 in. Plywood or osb roof deck so 15 20 or 30 will work for any shingle roof the type i recommend depends on roof slope.

15 pounds per hundred square feet and 30 pounds per hundred square feet. In the old days common felt was 15 lb felt and 30 lb felt and a roll of the first held 4 squares and weighed 60 lbs while a roll of the second held 2 squares and weighed 60 lbs. In roofing and applying felt paper there is always extra left over. Felt this gardner asphalt 15 432 sq.

Historically roofing felt paper was named for weight. No 15 felt and no. 30 felt is typically thicker stronger and may be less prone to tearing or ripping off during installation or weather events. Of coverage for residential and commercial roofing projects.

As of publication you can purchase a 72 foot roll of 30 pound roofing felt for around 15. Good luck on your. Unrolled length that combine to provide over 430 sq. The best weight for roofing felt is the 30 pound product because it provides thicker and.

15 came perforated for use as a ply sheet for built up roofing. For many years roofers used asphalt saturated felt under roofing shingles and it was historically available in two standard weights. Width and a 144 ft.