You have to make.
Tying in a porch roof to an existing roof.
Tying in to an existing gable roof.
Your contractor can safely attach nbsp previous photo in the gallery is attach patio roof existing house the worst adding a gable roof to an existing roof tying a gable roof on an existing roof is a nbsp.
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.
In any case the structure.
The sill plate or piece of wood that secures the supports to the roof should sit flush to the top edges of the roof support columns.
Measure the sightline clearance height from the roof to the house not the other way around.
Butt the first new truss against the old one.
You can either remove the eave or just keep it.
How to tie a additions roof to existing roof roof designs to attach to existing home how to construct a roof from an exsisting shead how to attach a deck roof to existing roof how to add a roof over porch cost to tie into existing roof attache porch roof on house attach shed roof to house adding a roof to screened in porch adding a roof to existing.
This will provide a solid framework for attaching the metal panels.
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.
Measure the size of the beam that you are going to use.
Now take the 4x4 beams and erect them to the perimeter outside the porch about four feet apart.
Attach a sill plate to the house between the two side supports of the porch.
Then mount new trusses on the new addition walls.
Step 4 position the rafters on top of the sill plate.
Tradesman use them mainly.
From that point all the way to the lower end fascias you will need to lay a 2x size depends on your rafter framing size on each side that extends from the new ridge board to the bottom of the valleys fasten it thru the roof and into the existing structures roof rafters or trusses.
Using lag bolts and a screwdriver fasten the base of the posts to the ground.
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.