Use Double Felt Paper Roof

Felt roofing underlayment is typically available in two types.

Use double felt paper roof.

Why use roofing felt paper. Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment. Felt details for various roof slopes amp. Roofing felt is a layer of tar paper installed beneath the shingles to provide a backup waterproof membrane in case of leakage.

Assuming your roofing contractor is using standard 36 wide 15 roofing felt double coverage means that each layer of felt put down across the roof laps 19 over the upper half of the previous course. No 15 felt and no. Felt otherwise known as underpayment is required when. In fact there are a number of important ways roofing felt not only protects your roof but also your residence.

Is roofing felt required. Starting a roof with tarpaper felt. It s created by saturating paper or fiberglass mat with asphalt. Felt roofing underlayment is one of the oldest types of roofing underlayment.

The best weight for roofing felt is the 30 pound product because it provides thicker and. The first course starts with an extra 1 2 wide run. Tack it in place at the corner with the end flush with the end of the roof and the bottom edge of the roll right along the bottom of the roof. This article series discusses roofing felt specifically addressing the roofing code or roofing manufacturer s requirements for use of an underlayment such as roofing felt tarpaper or other underlayment products beneath asphalt shingles and other.

Synthetic underlayment started gaining popularity in the last decade. 30 felt is typically thicker stronger and may be less prone to tearing or. Felt paper also referred to as tar paper was the standard underlayment material in roofing for decades. It was easy to use durable and even had alignment lines to help with the shingle installation.

This video walks through the very basic steps for installing tarpaper felt. Roofing experts have discovered that adding a layer of protection between your structural roof decking the layer of wood that covers your rafters and your roof shingles helps create a better looking and longer lasting roof. Asphalt saturated heavy duty roofing felt is available in 15 and 30 pound weights. Start the roof felt at one bottom corner of the roof.

Item 656632 model 0903000. Lighter than felt synthetic underlayment is just as easy to work with.