A common element in adding porch roofs is fastening one end to the house either to a wall or to a roof.
Attach an awning ledger board to a house.
That usually is done with a header or ledger board secured to the house.
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.
Attach 2x6 rafters to the house with joist hangers and or supported by the ledger board.
Attaching a patio roof to an existing house is not a doddle but it does not mean that you cannot do it.
Because a ledger board is very heavy and hard to work with you need to drive framing nails 16 penny or screws every two feet to temporarily attach the ledger.
Some steps on how to attach a patio roof to an existing house.
The ledger typically a 2 by 6 is usually designed to hold one end of the patio roof rafters.
The ledger should be attached.
A ledger relies on the fasteners and strength of the wood ledger board and rim board of the house to carry the deck live and dead loads.
Most house framing relies on building elements floors walls roofs being stacked one atop another.
Locating and mounting the ledger is normally a fairly easy process.
In our example one of the ledger boards extends past the house.
Attaching a deck ledger securely is only half the work of installing a ledger.
Rafters are placed on 24 centers and attached to the beams and settle joists are attached as needed image 1.
You just need some assistances of experts if you are not really good at carpentry.