Use this procedure to add a gable to the roof line of a wall.
How to attach a gable roof to a house wall.
The positioning of your rafters will depend on the pitch of the porch roof.
After the roof line changes you cannot add a gable using this option.
Joist hangers can help you mount each rafter to the house.
Attaching a patio roof entails intermediate carpentry skills and creativity because there are many ways that you can choose from.
There sometimes is a problem with movement differences of the wall and the roof decking when the flashing is fastened to both the wall and the roof.
You can also add a gable on the roof floor line worksheet on the properties palette.
The porch roof may match the pitch of your home or have a more shallow roof pitch.
If you decide on a shallow pitch porch roof use 2 by 6 foot rafters.
The most common roof to wall intersections involve either a gable roof with its ridge running perpendicular to the wall or a shed roof that slopes downward away from the wall.
To get the cleanest look without breaking a sweat you can simply attach the back channel and the patio directly to the wall of the house.
Most common ways to attach a patio roof to an existing house.
At the beam end the rafters are fastened with a 10 inch structural screw through the top of the rafter into the beam.
Use screws to secure the rafter to the sill plate.
Often with new construction the roof flashing is first nailed to the wall.
How to attach a patio roof to an existing house.
Then the house wrap and exterior wall covering are installed over this roof flashing.
This option is available only if the roof line has not been edited.
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If attaching a patio roof to a ledger beneath the eaves does not allow for enough headroom you can set the new patio roof s rafters on the wall s top plate.