The porch roof may match the pitch of your home or have a more shallow roof pitch.
How to seal a hip roof to a wall.
Here i have a longer length.
Use screws to secure the rafter to the sill plate.
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.
The sheet acts as a backup at a vulnerable junction.
The positioning of your rafters will depend on the pitch of the porch roof.
Allow the caulk to dry completely.
Ideally i like to start by installing a 3 ft.
Housewrap creates the foundation.
Joist hangers can help you mount each rafter to the house.
Sheet of housewrap or even better a piece of self adhering roof underlayment to the wall before the first truss or roof rafter is placed against it.
If you decide on a shallow pitch porch roof use 2 by 6 foot rafters.
Apply a generous bead of waterproof roof caulk to both edges of every 6 inch wide horizontal end lap seam with a caulking gun.