Tying A New Roof Into An Existing Roof

Roofing nails to the existing structural sheathing.

Tying a new roof into an existing roof.

Attach patio roof existing house 7. To tie into the side of an existing roof put a new roof truss on the walls of the addition brace it upright then snap chalklines on the shingles to mark the center line of the new roof valleys where old and new roofs will connect. Connect a flat roof to a sloped or pitched roof with a ledger board. First the 4x4 beams need to be cut to the size of the existing roof so the porch roof and the edge of the existing roof will be even when the job is complete.

Now take the 4x4 beams and erect them to the perimeter outside the porch about four feet apart. The big idea is that layers of the lower roof should sit below corresponding layers of the upper roof. Add covered patio roof existing line 4. Remove siding from the house where the new roof will attach to expose rafters or other framing of the old roof.

23 cool how to attach a roof to an existing roof 1. Tying in to an existing gable roof. This latest project was in early december in lambeth ontario for a residential home that had an existing sloped or shingled roof that needed to tie into a ne. Attach home addition roof framing existing 2.

See more ideas about patio roof building a porch porch roof. After nailing down these two boards dab roofing cement on the nails and along the outside edge. Sep 12 2020 explore peter baker s board roof tie in on pinterest. The roofing cement will resist possible leaks overnight.

The easiest way to tie in the new shingles with the old is with a cut valley see four ways to shingle a valley. 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. Attach patio roof existing house 3. The new flashing should go under the old felt and over the new felt and new roll roofing.

Depends on the slope of the new roof. Tying porch roof shed into existing ask home design 6. Up from the valley center and cut through the shingles and underlayment. After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in.