A house attached patio roof takes advantage of the house s structure by supporting one end of the roof on a ledger mounted horizontally to the house.
How to attach gable porch roof to house.
Extend a cord or line on the level from the truss s peak to the roof line s highest peak.
Joist hangers can help you mount each rafter to the house.
Step 1 position the porch truss.
A common element in adding porch roofs is fastening one end to the house either to a wall or to a roof.
Use screws to secure the rafter to the sill plate.
The complexity of the job will vary with the size of roof from a simple entryway covering to one over a large screened in area.
The positioning of your rafters will depend on the pitch of the porch roof.
Start nailing the ridge board to the gable roof.
The porch roof may match the pitch of your home or have a more shallow roof pitch.
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That usually is done with a header or ledger board secured to the house.
Secure the truss that is closest to the house first with nails on both sides.