Tying Porch Roof Into Existing Roof

Tying in to an existing gable roof.

Tying porch roof into existing roof.

Measure your roof from the bottom to the top of your porch roof plus one row your last shingles will slide under your home s shingles. 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. Adding gable roof existing ideas 5. Com new foundation piers would then be installed and sized only with the roof in mind.

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. If it comes out to an odd number like 7 5 adjust the spacing to make it 8 rows. In any case the structure. Ensure that your porch is leveled.

Divide that number by the length of the tabs. 23 cool how to attach a roof to an existing roof 1. Add covered patio roof existing line 4. Butt the first new truss against the old one.

You have to do it thoroughly so that the rafters sit flush on it. Make a cutting on one of the sides of the horizontal roof beam on an angle. 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. 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. This gives you the number of rows of shingles you will need. Tying porch roof shed into existing ask home design 6. Now take the 4x4 beams and erect them to the perimeter outside the porch about four feet apart.

Attach patio roof existing house 7. Attach home addition roof framing existing 2. After that to make it flush with the roof of the existing house cut the two outer rafters.