Roofing Shingles Felt Paper

It s created by saturating paper or fiberglass mat with asphalt.

Roofing shingles felt paper.

Felt roofing underlayment is typically available in two types. Roofing felt is a layer of tar paper installed beneath the shingles to provide a backup waterproof membrane in case of leakage. No 15 felt and no. Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment.

Item 169827 model 5003002. Felt is commonly sold in either 15 or 30 rolls measuring 36 inches wide. What is roofing felt. Felt paper is made from a base of natural wood or synthetic fiberglass materials.

Grace ice water shield 36 in x 75 ft 200 sq ft rubber roof underlayment. For many years felt paper served as the leading type of shingle underlayment. Generally speaking roofing felt is a felt paper that is soaked in asphalt and other water resistant compounds to produce a membrane. 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.

Because your roof deck might not lie perfectly straight or flat a layer of roof paper gives an even uniform surface upon which you can install your shingles. The purpose of the shingle underlayment is to provide an additional moisture resistant layer to back up your roof shingles. Roofing felt prevents the deck from being exposed to the elements before or while the shingles are being applied. 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.

Of course it is a bit more technical than that but this is the basic idea behind how felt works. Felt otherwise known as underpayment is required when. Item 656632 model 0903000. It improves look and uniformity.

Roofing felt also known as tar paper provides a protective underlayment over the roof deck and beneath the shingles. It also offers fire resistance required for home construction.