Rolled Roofing Under Shingles

Place the first layer of rolled roofing on the roof.

Rolled roofing under shingles.

Your shingles serve their own purpose. As you place the rolled roofing down stretch it to get rid of wrinkles and creasing. Rolled roofing is easy to obtain and can be found at all home improvement stores. Coverage white fiberglass mineral surfaced cap roll roofing.

Rolled roofing or roll roofing also known as msr comes in rolls of 100 square feet. A typical roof has three layers a felt layer and two layers of overlapping shingles. California roofing codes establish a list of rules that all builders and contractors must adhere to in order to ensure safe building practices within the state. The roof deck should be sound and level before laying the underlayment.

Roofing underlayment provides your roof with an extra layer of protection that shingles alone can t match. Roll roofing is different. It has just one layer so it goes on fast and can be installed by a homeowner with. The first layer should cover the roof as far as the chalk line.

So in terms of quantity a roofing roll is about the size of one composite shingle square. Roll roofing is often installed over bare wood sheathing or sheathing that has been painted with a primer. Applying roofing felt first will better protect the sheathing against condensation as well as against leaking. Gaf tri ply app granule cap sheet 3 3 ft w x 32 25 ft l 100 sq ft white roll roofing.

Fifteen pound or heavier felt underlayment is required by code in some areas. Is roofing felt underlayment needed under roof shingles tiles slate wood shingles or shakes. Gaf liberty 3 ft. Push the rolled roofing down into the wet cement to secure it to the roof.

But shingles overlap and aren t sealed at all corners. California roofing laws cover everything from licensure of the roofing company to the types of shingles that must be used to the slope of the roof. One msr roofing roll is usually about 36 feet long by 36 inches wide. Liberty systems are applied without torches open flames hot asphalt or solvent based adhesives and are suitable for many primed substrates.

For a slightly sloped roof use the concealed nail method shown. Set your store to see local availability add to cart. As stated in best practices guide to residential construction. Ft sbs self adhering cap sheet roll for low slope roofing in slate model 3730750 101 02 roll 101 02 roll free delivery.