Roofing Shingles Felt Paper

Roofing felt is a layer of tar paper installed beneath the shingles to provide a backup waterproof membrane in case of leakage.

Roofing shingles felt paper.

This is coated with a protective coating such as asphalt which repels water but allows the underneath product to breathe so air and humidity don t get trapped. It s created by saturating paper or fiberglass mat with asphalt. No 15 felt and no. 30 felt is typically thicker stronger and may be less prone to tearing or ripping off during installation or weather events.

For many years felt paper served as the leading type of shingle underlayment. Felt roofing underlayment is typically available in two types. What is roofing felt. It also offers fire resistance required for home construction.

The purpose of the shingle underlayment is to provide an additional moisture resistant layer to back up your roof shingles. What is felt paper. Roofing felt also known as tar paper provides a protective underlayment over the roof deck and beneath the shingles. Item 169827 model 5003002.

Felt is commonly sold in either 15 or 30 rolls measuring 36 inches wide. Item 656632 model 0903000. Generally speaking roofing felt is a felt paper that is soaked in asphalt and other water resistant compounds to produce a membrane. Felt otherwise known as underpayment is required when.

Of course it is a bit more technical than that but this is the basic idea behind how felt works. Roofing felt prevents the deck from being exposed to the elements before or while the shingles are being applied. Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment. Roofing felt also known as tar paper serves as both an extra layer of protection between the shingles and the plywood and as a temporary moisture barrier until all the shingles are in place.

It improves look and uniformity. Grace ice water shield 36 in x 75 ft 200 sq ft rubber roof underlayment.