Roofing Shingles Felt Paper

It improves look and uniformity.

Roofing shingles felt paper.

Roofing felt prevents the deck from being exposed to the elements before or while the shingles are being applied. What is roofing felt. For many years felt paper served as the leading type of shingle underlayment. What is felt paper.

The purpose of the shingle underlayment is to provide an additional moisture resistant layer to back up your roof shingles. Felt is commonly sold in either 15 or 30 rolls measuring 36 inches wide. It also offers fire resistance required for home construction. 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.

Roofing felt is a layer of tar paper installed beneath the shingles to provide a backup waterproof membrane in case of leakage. 30 felt is typically thicker stronger and may be less prone to tearing or ripping off during installation or weather events. Roofing felt also known as tar paper provides a protective underlayment over the roof deck and beneath the shingles. Item 656632 model 0903000.

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. Felt roofing underlayment is typically available in two types. 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.

Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment. Generally speaking roofing felt is a felt paper that is soaked in asphalt and other water resistant compounds to produce a membrane. Felt paper is made from a base of natural wood or synthetic fiberglass materials. It s created by saturating paper or fiberglass mat with asphalt.

Item 169827 model 5003002. 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.