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.
Porch roof attaching ledger board to house for roof.
Read on to find out how to attach a patio roof to an existing house.
The positioning of your rafters will depend on the pitch of the porch roof.
Attach 2x6 rafters to the house with joist hangers and or supported by the ledger board.
However the glare of the sunlight or the pouring rain will ruin it.
If necessary use a sliding bevel to determine angles needed where the rafters will meet the ledger board.
Place the rafters on 24 centers attach them to the settle joists and beams toward the center.
It does not only protect you from the heat and rain but it also accentuates your house.
The opposite side of the porch roof will be supported by a header beam that is installed parallel to the house on top of 6x6 support posts.
A common element in adding porch roofs is fastening one end to the house either to a wall or to a roof.
Therefore you need to install a patio roof.
Spending time by relaxing on a patio is a great idea.
If you are tying the roof directly to a house wall you can install a ledger board with flashing and install rafter ties to attach the rafters at the appropriate angles or use engineered trusses.
Joist hangers can help you mount each rafter to the house.
That usually is done with a header or ledger board secured to the house.
Attach the rafters to the house with joist hangers which supported by ledger boards.
If you decide on a shallow pitch porch roof use 2 by 6 foot rafters.
On a two story house you can usually tie the ledger into a band joist also called a rim joist located between the floors as shown below.
Make sure to check the vertical beam to ensure that the end rafters are placed securely.
Attach the rafters to the ledger boards and settle joists.
The porch roof may match the pitch of your home or have a more shallow roof pitch.
Use screws to secure the rafter to the sill plate.