Again choosing the easy way out we opted to build blind valleys aka california valleys where one intersecting roof is built on top of the other.
Covered porch gable roof addition tie in.
This restored nashville farmhouse has an open gable roof with gothic arches in the gable.
The gable portion accentuates the home s entrance.
Install the 2x4 joists with some screws and brackets to the house edge.
You can see the roofline is continued from the house seamlessly to the attached porch to make it look.
With a roof tie in one of the biggest concerns is that new roof loads on the existing structure will stress the old rafters or joists and cause sagging or cracks in ceiling drywall.
They form an upside down v with the point at the top of the addition roof.
We plan to tie the porch roof into the house roof 6 feet up from the front eave of the house roof.
This tells you the size of the beam needed to support the porch s roof.
To prevent this problem we sometimes install up sized canti levered lvl ridge beams to carry some of the new loads down to the wall plates.
The porch will extend 6 feet out in front of the house so the porch roof will be 12 feet front to back.
In any case the structure.
The edge of the roof of the house and the frame to the porch should be seamless now.
This means the example porch would need a 6 inch by 8 inch beam.
The gable roof on the porch addition was framed with a dropped structural ridge supporting the common rafters above.
Now you are ready for the installation of the roof and the shingles that you can pick out your local home improvement store.
If i am calculating correctly the pitch of the porch roof will be 2 12.
Sep 12 2020 explore peter baker s board roof tie in on pinterest.
The metal house roof is in very good condition and i would like to avoid removing it if possible.
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See more ideas about patio roof building a porch porch roof.
In the example d calculates to 7 75.
You can repeat the same process using a different breadth if you want a beam that is wider or thinner than 6 inches.
The primary roof is a hip roof.
Over the door in the middle is a gable portion within the hip roof.
Cut two rafters with a circular saw to the pitch of the addition roof and nail them across the rafters on the old roof.