Tying in to an existing gable roof.
Tying porch roof into existing roof.
Then mount new trusses on the new addition walls.
In any case the structure.
This gives you the number of rows of shingles you will need.
Adding gable roof existing ideas 5.
Attach patio roof existing house 3.
Attach patio roof existing house 7.
23 cool how to attach a roof to an existing roof 1.
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.
If it comes out to an odd number like 7 5 adjust the spacing to make it 8 rows.
Ensure that your porch is leveled.
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.
Divide that number by the length of the tabs.
Add covered patio roof existing line 4.
Butt the first new truss against the old one.
Now take the 4x4 beams and erect them to the perimeter outside the porch about four feet apart.
You have to do it thoroughly so that the rafters sit flush on it.
Com new foundation piers would then be installed and sized only with the roof in mind.
Attach the horizontal beam by using a nail gun.
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.
After that to make it flush with the roof of the existing house cut the two outer rafters.
Tying porch roof shed into existing ask home design 6.
Attach home addition roof framing existing 2.
Make a cutting on one of the sides of the horizontal roof beam on an angle.