Roofing Felt 15 Vs 30

30 felt is typically thicker stronger and may be less prone to tearing or ripping off during installation or weather events.

Roofing felt 15 vs 30. One roofing square and 30 lb felt paper weighed 30 pounds per square. Felt has a 36 in. 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. Felt roofing underlayment is typically available in two types.

A 66 foot roll of synthetic underlayment will set you back about 86. On lower slopes i feel more comfortable with the thicker felt. 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.

The difference between 15 lb and 30 lb roofing felt paper. Organic dry felt is made from 100 post consumer recycled material. Unrolled length that combine to provide over 430 sq. As of publication you can purchase a 72 foot roll of 30 pound roofing felt for around 15.

Asphalt saturated heavy duty roofing felt is available in 15 and 30 pound weights. 15 lb felt paper weighed 15 pounds per 100 sq. This gardner asphalt 15 432 sq. No doubt about it.

Felt paper is commonly produced with a certain number of recycled products and coated with asphalt. On steep roofs the 15 rips easily under foot. 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. Historically roofing felt paper was named for weight.

The main advantage of using felt roofing underlayment is cost. The best weight for roofing felt is the 30 pound product because it provides thicker and. Years ago it was used on roofs because when sap would come out of the wood it would break down the backside of the asphalt shingles and cause them to deteriorate which isn t a problem anymore. If 100 the typical upgrade cost to go from 15 to 30 is going to blow a sale for you you are doing something wrong.

Labor is higher for peel and stick. Felt this gardner asphalt 15 432 sq. Felt paper is typically used in most roofing as a release between the two materials wood and asphalt. Plywood or osb roof deck so 15 20 or 30 will work for any shingle roof the type i recommend depends on roof slope.