Roofing Shingles Felt Paper

Grace ice water shield 36 in x 75 ft 200 sq ft rubber roof underlayment.

Roofing shingles felt paper.

For many years felt paper served as the leading type of shingle underlayment. Felt paper is made from a base of natural wood or synthetic fiberglass materials. What is roofing felt. 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.

Felt is commonly sold in either 15 or 30 rolls measuring 36 inches wide. Felt otherwise known as underpayment is required when. It s created by saturating paper or fiberglass mat with asphalt. 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. What is felt paper. Of course it is a bit more technical than that but this is the basic idea behind how felt works. Roofing felt is a layer of tar paper installed beneath the shingles to provide a backup waterproof membrane in case of leakage.

Roofing felt prevents the deck from being exposed to the elements before or while the shingles are being applied. No 15 felt and no. Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment. 30 felt is typically thicker stronger and may be less prone to tearing or ripping off during installation or weather events.

The purpose of the shingle underlayment is to provide an additional moisture resistant layer to back up your roof shingles. It improves look and uniformity. Item 656632 model 0903000. Felt roofing underlayment is typically available in two types.

It s a protective second layer that s installed between the roof deck and roof shingles that seals and protects your roof against leaks. 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.