Tying In A New Roof To An Existing Roof

The new flashing should go under the old felt and over the new felt and new roll roofing.

Tying in a new roof to an existing roof.

When a shed roof ties into an existing roof the new roof could be a simple lean to that covers a deck or porch or it could be the shed roof of a substantial addition. Tying in to an existing gable roof. The roofing cement will resist possible leaks overnight. Connect a flat roof to a sloped or pitched roof with a ledger board.

The easiest way to tie in the new shingles with the old is with a cut valley see four ways to shingle a valley. Up from the valley center and cut through the shingles and underlayment. A roofing diagram is on every package of shingles home depot or lowes. You will be using new shingles for tying in you old and new shingles.

Sep 12 2020 explore peter baker s board roof tie in on pinterest. Then mount new trusses on the new addition walls. After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in. After that to make it flush with the roof of the existing house cut the two outer rafters.

Roofing nails to the existing structural sheathing. The lower the slope the further it should extend. Attach the horizontal beam by using a nail gun. Remove siding from the house where the new roof will attach to expose rafters or other framing of the old roof.

In any case the structure. How to tie a additions roof to existing roof roof designs to attach to existing home how to construct a roof from an exsisting shead how to attach a deck roof to existing roof how to add a roof over porch cost to tie into existing roof attache porch roof on house attach shed roof to house adding a roof to screened in porch adding a roof to existing. Now you can begin assembling the outer rafters and attaching the rafter beam to the edge of the roof of the house. The big idea is that layers of the lower roof should sit below corresponding layers of the upper roof.

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. Once you cut the old shingles back 36 or less work the new section into the old. Butt the first new truss against the old one. Hope i helped somewhat.

After nailing down these two boards dab roofing cement on the nails and along the outside edge.