Place the rafters on 24 centers attach them to the settle joists and beams toward the center.
How to attach a ledger board for a porch roof.
Locate a position for a header or ledger board.
Explore your options for building a deck onto a house with engineered floor joists.
Learn how to cut and remove aluminum vinyl wood and cement board siding for installing a deck ledger board to a house wall.
Flash and bolt the ledger board in place to the house wall.
Deck ledger board removing the siding for the ledger board.
Attach the metal joist hangers to the rafters.
This board will support the rafters.
In this instance minimum 1 2 lags are staggered along the length of the board.
Do not attach the header directly to a house cantilever.
This method may be one of the most ubiquitous ways of attaching a patio roof.
If necessary use a sliding bevel to determine angles needed where the rafters will meet the ledger board.
It is one of the most common ways of connecting the ledger to the band board.
Attach 2x6 rafters to the house with joist hangers and or supported by the ledger board.
Temporarily nail or brace the ledger in place positioned and leveled at the desired height.
The lags should pass through by at least 1 2 on the back side of the band board.
Find the wall studs or roof trusses that will have to support the ledger.
If it is impossible to attach the ledger to a floor joist then fasten the ledger to wall studs which are generally located on 16 inch or sometimes 24 inch centers and doubled up around doors windows and other openings.
Attach the rafters to the ledger boards and settle joists.
To do this method you will have the back channel and fascia strengthened by reinforcing two rafters inside the roof.
Deck ledger board attaching a deck ledger board to engineered floor joists.
The rafter pitch angle.
Attach the header to the support post next to the house.
Rafters are placed on 24 centers and attached to the beams and settle joists are attached as needed image 1.
Use a speed square to mark and cut your rafter angle to the roof pitch.
Make it the full width of the porch or slightly wider depending on your porch design.