What is Roofing Felt?
Felt is a major material used in a roofing project. It is typically made up of interwoven fibers saturated with asphalt. It is used as a protective under layer between shingles and decking (sheathing). Felt isn’t particularly wind or sun resistant and is used to offer additional waterproofing.
You may hear felt referred to as “tar paper” as part of a roof repair or new roof installation. Tar paper is similar to felt in function and purpose, but slightly different in construction.
Why it Matters
A main purpose of a roof is waterproofing. Roofing felt or tar paper provides an additional layer of waterproofing. It is typically install with staples or roofing nails. There are different types for different applications. Your KTM representative will be able to illustrate options and what is best for your home’s roof style and top layer material choice.