This is a time consuming process and should be done while the house is being constructed to simplify the process and reduce costs.
Porch roof attaching ledger board to house for roof.
Attach the horizontal beam by using a nail gun.
You have to do it thoroughly so that the rafters sit flush on it.
For example using joist hangers to attach instead of the rafter hangers in the picture above would have moved the ledger up 5 5 inches.
Make sure to check the vertical beam to ensure that the end rafters are placed securely.
After that to make it flush with the roof of the existing house cut the two outer rafters.
Locate a position for a header or ledger board.
Make it the full width of the porch or slightly wider depending on your porch design.
Find the wall studs or roof trusses that will have to support the ledger.
Any one of these five ledger connection methods properly installed will give you a reliable long lasting deck that is secure.
Hold the fascia board against the rafters and then hammer it in place with galvanized finish nails.
If it s immediately underneath the roof you may be able to attach to the top plate of the wall instead of the studs.
Make a cutting on one of the sides of the horizontal roof beam on an angle.
Attach the rafters to the ledger boards and settle joists.
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The ledger typically a 2 by 6 is usually designed to hold one end of the patio roof rafters.
They can be fastened through the sheathing into the studs.
Roof ledgers almost never fall in the same plane as the house floor ledger.
A fascia board which is a roofing material that helps compensate when there are inevitable inconsistencies in rafter length will mount on the front and on the sides of your porch roof frame.
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.
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.
Five ledger board techniques explained and illustrated.
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.
Do you have any latitude on the height.
Determine how high it must be to provide an adequate slope to the roof.
Place the rafters on 24 centers attach them to the settle joists and beams toward the center.
Attach the rafters to the house with joist hangers which supported by ledger boards.