Tradesman use them mainly.
Tying in a porch roof to an existing roof.
This will provide a solid framework for attaching the metal panels.
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.
Attaching a roof to an existing roof.
You can either remove the eave or just keep it.
Tying in to an existing gable roof.
Measure the sightline clearance height from the roof to the house not the other way around.
You have to make.
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.
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.
Then mount new trusses on the new addition walls.
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.
Now take the 4x4 beams and erect them to the perimeter outside the porch about four feet apart.
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.
Measure the size of the beam that you are going to use.
Butt the first new truss against the old one.
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.
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.
Attach a sill plate to the house between the two side supports of the porch.
In any case the structure.
Using lag bolts and a screwdriver fasten the base of the posts to the ground.