Tying A New Roof Into An Existing Roof

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

Tying a new roof into an existing roof.

Connect a flat roof to a sloped or pitched roof with a ledger board. 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. Now take the 4x4 beams and erect them to the perimeter outside the porch about four feet apart.

Up from the valley center and cut through the shingles and underlayment. Depends on the slope of the new roof. 23 cool how to attach a roof to an existing roof 1. Remove siding from the house where the new roof will attach to expose rafters or other framing of the old roof.

The easiest way to tie in the new shingles with the old is with a cut valley see four ways to shingle a valley. Sep 12 2020 explore peter baker s board roof tie in on pinterest. 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. Roofing nails to the existing structural sheathing.

The lower the slope the further it should extend. After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in. Adding gable roof existing ideas 5. After nailing down these two boards dab roofing cement on the nails and along the outside edge.

The roofing cement will resist possible leaks overnight. 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. Attach patio roof existing house 3. Attach home addition roof framing existing 2.

Add covered patio roof existing line 4. See more ideas about patio roof building a porch porch roof. In any case the structure. 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.