Felt Installed Under Rolled Roofing

Roll roofing is a lightweight roofing material that s sold in a large roll.

Felt installed under rolled roofing.

Rolled roofing is easy to obtain and can be found at all home improvement stores. An air space between the wood roofing and the roof deck or the installation of wood roofing over spaced nailers or skip. You will need 1 10 gallon of lap not mastic cement for every roll and 2 pounds of roofing nails for every square. A typical roof has three layers a felt layer and two layers of overlapping shingles.

Roll roofing is different. One msr roofing roll is usually about 36 feet long by 36 inches wide. Visit your local hardware store and ask for enough rolled roofing to fit the area of your roof. So in terms of quantity a roofing roll is about the size of one composite shingle square.

It has a life expectancy of anywhere from six to 10 years but it s fairly inexpensive. Some roofing felts are actually glued down. To apply rolled roofing you ll need your roof measurements a broom chalk to mark lines a razor blade to cut the material roofing cement nails and a hammer to hold down the material. The roofing should overhang the eaves by inch except where you install drip edge flashing on top of the roofing along the rake edge.

For a slightly sloped roof use the concealed nail method shown. An underlayment of felt roofing is optional. These applications are ideal for flat roofs or protective surfaces under roof level decks. Item 154032 model ps36.

Applying roofing felt first will better protect the sheathing against condensation as well as against leaking. For many years roofers used asphalt saturated felt under roofing shingles. Peel seal instant waterproof repairs 3 ft w x 33 5 ft l 100 5 sq ft aluminum roll roofing. Rolled roofing or roll roofing also known as msr comes in rolls of 100 square feet.

Roll roofing is a good choice for covering an existing roof. It can be installed simply and requires only nails and roofing cement. Roll roofing is often installed over bare wood sheathing or sheathing that has been painted with a primer. If the roof is sloped you can use the exposed nail method.

Installing the roofing felt does take care but can go very quickly. Sometimes called roofing felt underlayment roofing tar paper or roll roofing this is a layer of protection installed between the roof deck and the roofing shingles.