Why Use Roofing Felt

Roofing underlayment is a water resistant or waterproof barrier material that is installed directly onto your roof deck.

Why use roofing felt.

The main advantage of using felt roofing underlayment is cost. There are three main types of roofing underlayment. Well the original purpose for using roofing felt was to be a temporary waterproof roof whilst homeowners would have to build their own roofs. Felt is commonly sold in either 15 or 30 rolls measuring 36 inches wide.

Roof felt also known as tar paper is a waterproof fiberglass product. Felt paper is a type of roof underlayment. It also offers fire resistance required for home construction. It is used for temporary roofing for weatherproofing and as an underlayment under shingles or other permanent roofing materials.

In northern climates ice or snow dams are another common. Felt roofing underlayment is typically available in two types. It provides backup protection in the event of ice or water damage. Roofing felt is a layer of tar paper installed beneath the shingles to provide a backup waterproof membrane in case of leakage.

A layer of gravel or small stones is applied on top of the final coating of asphalt to protect the roof from the elements including ultraviolet uv rays and hail. 30 felt is typically thicker stronger and may be less prone to tearing or ripping off during installation or weather events. Of course it is a bit more technical than that but this is the basic idea behind how felt works. This method has been used for over one hundred years.

Wind driven rain or snow can trap water under your shingles putting your roof deck and inner residence at risk of moisture. No 15 felt and no. Felt otherwise known as underpayment is required when. Why use roofing felt paper.

You see roof underlayments are crucial as they provide a necessary barrier of protection between your roof and interior residence. It is applied under all other roofing materials as an added layer of protection from severe weather. Here alternating layers of roofing felt usually fiberglass and hot applied asphalt are combined to create a long lasting roof system. When homeowners would remove the shingles off their roof on a weekend the roofing felt would serve as a waterproof cover.

Generally speaking roofing felt is a felt paper that is soaked in asphalt and other water resistant compounds to produce a membrane.