How To Tie A Gable Roof Into An Existing Roof

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How to tie a gable roof into an existing 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. They form an upside down v with the point at the top of the addition roof. The new roof will need to be cut to the right angle so that it fits snugly against the roof. A shed roof over a full height addition may tie into a gable roof by resting the upper end of the shed rafters against the gable roof s ridge.

Attaching at the ridge. Step 3 connecting the new roof. Cut two rafters with a circular saw to the pitch of the addition roof and nail them across the rafters on the old roof. You could cut the new ridge board into the existing roof and tie it into the house rafters or trusses but i am not sure that is necessary.

That s just my original thought and that is how i have done it in the past. The roofing cement will resist possible leaks overnight. Then mount new trusses on the new addition walls. This is important to minimize the chance of any water being able to penetrate the gap.

The new roof now needs to be connected by nailing through the board into the joists. After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in. Tying in to an existing gable roof. Up from the valley center and cut through the shingles and underlayment.

Aug 21 2018 tying a gable roof into an existing roof is a long expensive project usually undertaken only when there is a major addition or renovation to a house. See more ideas about patio roof building a porch porch 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. This is an important job and needs to be done.

There are a couple of big concerns. Butt the first new truss against the old one. I am no framer. I said all of that to say this.