Tying In A New Roof To An Existing Roof

Using new shingles to run your valley.

Tying in a new roof to an existing roof.

After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in. Depends on the slope of the new roof. The big idea is that layers of the lower roof should sit below corresponding layers of the upper roof. A roofing diagram is on every package of shingles home depot or lowes.

Roofing nails to the existing structural sheathing. Now you can begin assembling the outer rafters and attaching the rafter beam to the edge of the roof of the house. Hope i helped somewhat. The roofing cement will resist possible leaks overnight.

You will be using new shingles for tying in you old and new shingles. Once you cut the old shingles back 36 or less work the new section into the old. Remove siding from the house where the new roof will attach to expose rafters or other framing of the old roof. Sep 12 2020 explore peter baker s board roof tie in on pinterest.

After nailing down these two boards dab roofing cement on the nails and along the outside edge. The new flashing should go under the old felt and over the new felt and new roll roofing. Attach the horizontal beam by using a nail gun. Connect a flat roof to a sloped or pitched roof with a ledger board.

See more ideas about patio roof building a porch porch roof. Butt the first new truss against the old one. Then mount new trusses on the new addition walls. Tie into the end of an existing gable roof by removing existing facing boards wall siding and any other obstructions back to the first truss of the old roof.

Tying in to an existing gable roof. After that to make it flush with the roof of the existing house cut the two outer rafters. The easiest way to tie in the new shingles with the old is with a cut valley see four ways to shingle a valley. In any case the structure.

Up from the valley center and cut through the shingles and underlayment.