After that to make it flush with the roof of the existing house cut the two outer rafters.
Adding a roof to your porch.
Attach the horizontal beam by using a nail gun.
You will need to attach the porch rafters to the house roof rafters and replace the roofing and flashing.
Many building departments require a local architect or engineer to design plans for porch roofs because of the increased snow roof and wind loads created by adding a roof.
Position and secure the gable porch truss flat against the top plate of the porch s end.
You have to do it thoroughly so that the rafters sit flush on it.
Adding a roof to your porch provides you and your porch with much needed protection from the sun wind rain snow and ice.
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Extend a cord or line on the level from the truss s peak to the roof line s highest peak.
Secure the truss that is closest to the house first with nails on both sides.
You can think of something bigger and better.
If you are game here are some ideas that you might want to look through.
Unlike most houses which sport a regular small porch area with room for just a couple of chairs.
Start nailing the ridge board to the gable roof.