Butt the first new truss against the old one.
How to tie in a new roof to an existing roof.
Up from the valley center and cut through the shingles and underlayment.
See more ideas about patio roof building a porch porch addition.
Chip away the existing gravel exposing the stone underneath.
Sep 12 2020 explore peter baker s board roof tie in on pinterest.
Then mount new trusses on the new addition walls.
Tying in to an existing gable 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.
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.
Set the last truss or set of rafters for the new roof at the outside edge of the existing roof.
Measure between that truss or rafter and the valley rafters with a tape measure and cut short rafters.