Roof Felt Paper Overlap

Continue along the roof to the other end and trim the felt flush at the end with a utility knife.

Roof felt paper overlap.

Each layer overlaps the lower one by at least 2 in. Step 4 continue rolling out the felt until you reach the roof hip on the other end. How much should i overlap my felt underlayment on my roof. Overlap the end of a roll about 4 inches with the start of a new roll and fasten both pieces to the.

Felt underlayment can overlap more than 2 inches to provide an adequate barrier. Roofing felt is required to overlap 2 inches over the lower felt course. 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.

The drip edge should extend at least 2 inches on the roof. Follow this step by nailing drip edge along rakes sides of roof on top of the underlayment. The vertical leg of the drip edge should be at least 1 5 inches wide and extend at least 0 25 inches below the sheathing. Roll out a few feet of felt and align the edge of the felt along the rake and the first course.

As you did with the flashing always lap upper pieces over lower pieces. Remember to leave a 2 overlap. Laying the felt as you work the paper can be tacked down in the center so it won t blow away. 15 asphalt saturated felt underlayment some codes may require no.

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. Where a roll ends and a new one is begun the two rolls should be overlapped by. The spacing between the nails on the drip edge should be less than 12 inches apart. Never install the felt vertically across your roof.

Drive about five nails in the top right hand corner and roll out the felt about halfway perhaps 25 feet across the roof. 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. Cover the rest of the roof with no. Adjust the felt as you roll it making sure that it s straight with no bubbling.

Although tar paper has traditionally been the standard undercoating for shingles as of 2010 synthetics are becoming more popular as an underlayment. Stand on the first course of felt and work with the second course of felt above you.