To do this method you will have the back channel and fascia strengthened by reinforcing two.
How to tie in a porch roof to an existing roof.
Fix the back channel to the fascia boards underneath the gutter directly.
Sep 12 2020 explore peter baker s board roof tie in on pinterest.
See more ideas about patio roof building a porch porch addition.
The bottom of our blind valley was about 30 inches short of the bottom of the porch roof so we extended the line of the valley down to the edge of the new roof.
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.
Tying in to an existing gable roof.
Those 2x s create the bottom of your new valley and your jack rafters on the porch roof will extend from that up to your new ridge board.
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.
The edge of the roof of the house and the frame to the porch should be seamless now.
How to tie a additions roof to existing roof roof additions to existing roofs how to construct a roof from an exsisting shead how to change a roof line how to attach a deck roof to existing roof how to add a roof over porch attache porch roof on house attach shed roof to house adding a roof to screened in porch adding a roof to existing.
Here are 7 different ways of attaching a patio roof to an existing house that you can apply.
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.
To do this we had to extend the plane of the shed roof out over the porch roof creating a small triangular extension of the existing roof.
Make sure the 2x4 joists are turned so the boards narrow edge faces the floor of the porch.
Now you have tied in the porch roof addition to the house.
Install the 2x4 joists with some screws and brackets to the house edge.
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.