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.
Tying in a new roof to an existing roof.
In any case the structure.
Depends on the slope of the new roof.
Now you can begin assembling the outer rafters and attaching the rafter beam to the edge of the roof of the house.
The big idea is that layers of the lower roof should sit below corresponding layers of the upper roof.
Attach the horizontal beam by using a nail gun.
See more ideas about patio roof building a porch porch roof.
The roofing cement will resist possible leaks overnight.
A roofing diagram is on every package of shingles home depot or lowes.
Sep 12 2020 explore peter baker s board roof tie in on pinterest.
After nailing down these two boards dab roofing cement on the nails and along the outside edge.
You will be using new shingles for tying in you old and new shingles.
The lower the slope the further it should extend.
Butt the first new truss against the old one.
Roofing nails to the existing structural sheathing.
After that to make it flush with the roof of the existing house cut the two outer rafters.
The easiest way to tie in the new shingles with the old is with a cut valley see four ways to shingle a valley.
Once you cut the old shingles back 36 or less work the new section into the old.
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.
Hope i helped somewhat.
After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in.
Then mount new trusses on the new addition walls.
Tying in to an existing gable roof.
Using new shingles to run your valley.
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.
Up from the valley center and cut through the shingles and underlayment.