Roofing Underlayment Materials Types

There are 3 main types of underlayment that homeowners can choose from when it comes to protecting their roof.

Roofing underlayment materials types.

Roofing underlayment is a water resistant or waterproof barrier material that is installed directly onto your roof deck. Roofing underlayment is most commonly called felt paper or ice and water shield even though they are different underlayment materials. Underlayment is laid beneath every other roof covering including your insulation. Understanding roof underlayment a complete roof system is more than just the final roofing material.

There are three main types of roofing underlayment. The more an inspector understands about a roof s components the better he can spot problems and deficiencies during an inspection. It is applied under all other roofing materials as an added layer of protection from severe weather. This used to be the most popular choice for roof underlayment until it was replaced by synthetics.

In summary roofing underlayment is an essential component to the roofing materials ability to withstand the elements protect a home s interior and prolong its service life. As for the term modified polymers are used to modify bitumen to improve certain characteristics such as elasticity and strength. In the roofing industry this is a common term to refer to asphalt and other asphalt materials used in built up roofing asphalt shingles and underlayment.