15 Vs 30 Lb Roofing Felt

15 lb felt paper weighed 15 pounds per 100 sq.

15 vs 30 lb roofing felt.

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. The difference between 15 lb and 30 lb roofing felt paper. 15 came perforated for use as a ply sheet for built up roofing.

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. One roofing square and 30 lb felt paper weighed 30 pounds per square. 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. Historically roofing felt paper was named for weight.

No doubt about it. 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. 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.

A 66 foot roll of synthetic underlayment will set you back about 86. As of publication you can purchase a 72 foot roll of 30 pound roofing felt for around 15. Organic dry felt is made from 100 post consumer recycled material. 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.

Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment. Asphalt saturated heavy duty roofing felt is available in 15 and 30 pound weights. Item 656632 model 0903000. 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.

Organic dry felt is made from 100 post consumer recycled material.