Roofing Felt Definition

For decades roofers have fitted a layer of felt over a roof s sheathing or roof deck before installing shingles.

Roofing felt definition.

Roofing felt is comprised of a base made from natural materials such as wood cellulose or synthetic ones such as fiberglass or polyester and then coated or saturated with a protective coating such as bitumen asphalt which repels water but still allows the product to breathe. A material designed to restrict the passage of water vapor through a roof system or wall. Residential and commercial roofing shingles slate roof ventilation roof underlayments asphaltic and tpo roof membranes. Roofing felt in british english.

Roofing felt similar to tar paper is the base material used to make roof shingles and roll roofing. As a licensed contractor and president of joel s roofing rain gutter co. Felt is commonly sold in either 15 or 30 rolls measuring 36 inches wide. Roofing shingles and materials plus factory certified roofers including ratings from real homeowners from north america s largest roofing manufacturer.

Basemat the flexible base layer is saturated with asphalt for water resistance. Generally speaking roofing felt is a felt paper that is soaked in asphalt and other water resistant compounds to produce a membrane. Inc joel grusinski wants you to be knowledgeable and informed about the type of roof you have and the type of roof that you may want or need. Of course it is a bit more technical than that but this is the basic idea behind how felt works.

Modified bitumen roofing was designed for use on buildings that have a low slope or flat roof. Roofing felt offers an additional layer of protection against the elements. Advantages there are a wide range of methods available for installing modified bitumen roofing from using a hot torch to using a sealant backed peel and stick rolls. Felt paper is applied across the entire roof deck.