Roofing Felt Paper Coverage

Measure the length and width of each portion of the roof multiply length by width for each plane and add the planes together for the total square footage.

Roofing felt paper coverage.

This felt will help prevent damage to your roof from wind driven rain and water from other sources. Your math 10 x20 200 sqft. Roofing paper or felt normally comes in about 150ft rolls and are 3ft wide. Roofing felt also known as tar paper is a roll of felt coverage is often used when constructing a roof.

Why use roofing felt paper. Felt roofing underlayment is one of the oldest types of roofing underlayment. In order to know the appropriate amount of roofing felt to use the roof pitch will need to be calculated first. You will need just under 1 2 of a roll.

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. Felt roofing underlayment is typically available in two types. Item 169827 model 5003002. Grace ice water shield 36 in x 75 ft 200 sq ft rubber roof underlayment.

It provides extra waterproofing to protect the wood until shingles are installed. 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. In roofing and applying felt paper there is always extra left over. Setting the roll and then nailing off.

No 15 felt and no. So anywhere along the gable end that you can see the felt you ll see two layers. Add an extra layer of protection between your shingles and roof deck with this 30 216 sq. Remember when estimating required amounts that you need to overlap the felt.

Good luck on your project. Figure about 450 square feet of felt. Estimating felt underlayment tar paper 1 find the square footage of the roof. Starting a roof with tarpaper felt.

It s created by saturating paper or fiberglass mat with asphalt. The first course starts with an extra 1 2 wide run.