Roof Felt Paper Overlap

Although tar paper has traditionally been the standard undercoating for shingles as of 2010 synthetics are becoming more popular as an underlayment.

Roof felt paper overlap.

Where a roll ends and a new one is begun the two rolls should be overlapped by. Roofing felt is required to overlap 2 inches over the lower felt course. Follow this step by nailing drip edge along rakes sides of roof on top of the underlayment. How much should i overlap my felt underlayment on my roof.

Adjacent pieces of drip edge should overlap at least 2 inches 51 mm. Adjust the bottom of the felt if necessary to keep it flush with the gutter apron. Remember to leave a 2 overlap. The drip edge should extend at least 2 inches on the roof.

The spacing between the nails on the drip edge should be less than 12 inches apart. Felt underlayment can overlap more than 2 inches to provide an adequate barrier. As you did with the flashing always lap upper pieces over lower pieces. Continue along the roof to the other end and trim the felt flush at the end with a utility knife.

Also called roof felt or builder s felt overlapped tar paper creates a water barrier that is your home s last line of defense against the elements if your shingles are damaged by wind hail or. Hang the lower edge of the felt over the eave the part of the roof that meets or overhangs the shed s walls by about 0 5. Each layer overlaps the lower one by at least 2 in. Adjust the felt as you roll it making sure that it s straight with no bubbling.

Cover the rest of the roof with no. Overlap the end of a roll about 4 inches with the start of a new roll and fasten both pieces to the. 15 asphalt saturated felt underlayment some codes may require no. Roll out a few feet of felt and align the edge of the felt along the rake and the first course.

When you arrive at the rake the paper should be cut flush with a knife and then adjusted to line up with the chalk line. Roofing felt or tar paper is infused with a petroleum based solution to provide an additional layer of roof protection under shingles. Stand on the first course of felt and work with the second course of felt above you. Step 4 continue rolling out the felt until you reach the roof hip on the other end.

Drive about five nails in the top right hand corner and roll out the felt about halfway perhaps 25 feet across the roof. Never install the felt vertically across your roof.