Roof Felt Paper 15 Vs 30

A 66 foot roll of synthetic underlayment will set you back about 86.

Roof felt paper 15 vs 30.

Felt paper is commonly produced with a certain number of recycled products and coated with asphalt. Felt roofing underlayment is typically available in two types. It s created by saturating paper or fiberglass mat with asphalt. Historically roofing felt paper was named for weight.

We use the 30 felt paper because i feel it is the best product for your roof. 30 felt is typically thicker stronger and may be less prone to tearing or ripping off during installation or weather events. 15 is easy to rip underfoot when installing the new roof system and ripped felt paper is useless regardless of weight. The 15 pound was for lighter weight projects while the 30 offered more heavy duty protection.

15 pounds per hundred square feet and 30 pounds per hundred square feet. Good luck on your. 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.

No 15 felt and no. 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. Of coverage for residential and commercial roofing projects. 15 lb felt paper weighed 15 pounds per 100 sq.

Plywood or osb roof deck so 15 20 or 30 will work for any shingle roof the type i recommend depends on roof slope. Asked by marlon april 30 2020. This gardner asphalt 15 432 sq. In roofing and applying felt paper there is always extra left over.

Unrolled length that combine to provide over 430 sq. This 15 felt roof deck protection features quality asphalt saturation for great waterproofing to add an extra layer of protection between your shingles and your roof deck. 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. Asphalt saturated heavy duty roofing felt is available in 15 and 30 pound weights.

You will need just under 1 2 of a roll. 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. Width and a 144 ft. As technology has changed and manufacturing has improved these are.

Labor is higher for peel and stick. The best weight for roofing felt is the 30 pound product because it provides thicker and. As of publication you can purchase a 72 foot roll of 30 pound roofing felt for around 15.