15 Lb Roofing Felt Mm

Felt has a 36 in.

15 lb roofing felt mm.

Roofing felt also called roofing felt paper is underlayed on roofs before shingles are added. Asphalt saturated heavy duty roofing felt is available in 15 and 30 pound weights. The best weight for roofing felt is the 30 pound product because it provides thicker and. 15 asphalt felt 3 x 144 roofing underlayment 432 sq.

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. No 15 felt and no. Historically roofing felt paper was named for weight. 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.

One roofing square and 30 lb felt paper weighed 30 pounds per square. 15 lb felt paper weighed 15 pounds per 100 sq. Points to the first course of 15 roofing felt on this roof. Organic dry felt is made from 100 post consumer recycled material.

Width and a 144 ft. Plywood or osb roof deck so 15 20 or 30 will work for any shingle roof the type i recommend depends on roof slope. The numbers ihad a correlation to the weight not the thickness. Asphalt saturated felt along the eaves.

Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment. 36 inch wide 914 mm strips of underlayment felt shall be applied overlapping successive sheets 19 inches 483 mm and fastened sufficiently in place. Felt paper is commonly produced with a certain number of recycled products and coated with asphalt. The standard types of felt are 15 and the more waterproof 30.

Felt roofing underlayment is typically available in two types. Item 656632 model 0903000. Start with a 19 inch strip of 15 lb. This gardner asphalt 15 432 sq.

Unrolled length that combine to provide over 430 sq. Its main purpose is to prevent moisture from leaking into a roof. 30 felt is typically thicker stronger and may be less prone to tearing or ripping off during installation or weather events. Ft at menards send cancel mail in rebate is in the form of merchandise credit check valid in store only.