Aug 21 2018 tying a gable roof into an existing roof is a long expensive project usually undertaken only when there is a major addition or renovation to a house.
Tying gable roof into existing roof.
The gable roof on the porch addition was framed with a dropped structural ridge supporting the common rafters above.
Ensure that your porch is leveled.
See more ideas about patio roof building a porch porch roof.
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The gable rafters on either side of the shed roof are doubled and short cripple rafters run between the header and the ridge above it.
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.
When adding a new gabled roof addition to your home you will need to find a way of joining the two roofs together.
Tying in to an existing gable roof.
Starting two courses higher than where the new ridge meets the old roof unseal the shingle tabs a thin flat bar or a joint taping knife works well and pop the nails of the overlying course.
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Strip the roofing from the old roof at the connection point to.
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At the low end of the valley the subfascias of the two roofs are mitered with a block filling.
The shed rafters attach to the header opposite the cripple.
Tie a new gable or hip roof to an existing gable or hip roof with valley rafters which perform the same function as ledgers.
Butt the first new truss against the old one.
There are a couple of big concerns.
Then mount new trusses on the new addition walls.
Creating a small triangular extension of the existing roof.
Up from the valley center and cut through the shingles and underlayment.
After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in.