Roofing Shingles Felt Paper

Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment.

Roofing shingles felt paper.

What is roofing felt. Grace ice water shield 36 in x 75 ft 200 sq ft rubber roof underlayment. Of course it is a bit more technical than that but this is the basic idea behind how felt works. It improves look and uniformity.

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. Roofing felt prevents the deck from being exposed to the elements before or while the shingles are being applied. Felt otherwise known as underpayment is required when.

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. Felt is commonly sold in either 15 or 30 rolls measuring 36 inches wide. It s a protective second layer that s installed between the roof deck and roof shingles that seals and protects your roof against leaks. Felt paper is made from a base of natural wood or synthetic fiberglass materials.

Item 169827 model 5003002. Generally speaking roofing felt is a felt paper that is soaked in asphalt and other water resistant compounds to produce a membrane. 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. For many years felt paper served as the leading type of shingle underlayment.

Felt roofing underlayment is typically available in two types. 30 felt is typically thicker stronger and may be less prone to tearing or ripping off during installation or weather events. What is felt paper. Roofing felt is a layer of tar paper installed beneath the shingles to provide a backup waterproof membrane in case of leakage.

Item 656632 model 0903000. The purpose of the shingle underlayment is to provide an additional moisture resistant layer to back up your roof shingles.