When fastening to uneven stone or stucco the ledger board must be supported from beneath with a ledger attached to the solid concrete foundation at the bottom of the wall.
Ledger board to concrete slab.
On this project the 2 10 joists of the main deck frame sit just about even with the top of the foundation and a landing framed with 2x8s sits atop the main frame serving as a transition point.
The fourth technique involves securing the ledger to a concrete foundation wall rather than to the first floor band board.
2x8 so i was going to use 2x10 for the ledger board.
Then i am going to drill into the concrete and use 1 2 x5 5 redhead wedge hot dipped galvanized anchors 2 of them in every other joist bay 16.
These nails are driven through a board and into concrete underneath much like nailing a wood board to a wood floor.
These nails are cheap hold well as long as they penetrate at least inch into the concrete and are extremely hard to pull out.
Properly installing a ledger board for your deck is one of the most important structural components of building a safe and strong deck.
Fastening a ledger to concrete.
Ledger board attachment to a solid concrete foundation wall when attaching a ledger board to a masonry wall you will want to first cut the ledger board to size and have two helpers hold it in place so you can drill two holes every 12 through the wood where your bolts will be installed.
Drill two lengths of ledger board for anchors as described above and anchor them both to the solid concrete stacked to provide a 3 wide ledge along the top edge.
Take a 1 2 drill and make holes for bolts at the marking point.
Concrete nails are shaped like thick common nails.
Take the ledger board from three inches from end.
These 18 articles will teach you how to install flashing and bolt the ledger connection to the house rim.
The ledger is not only the structural connection between the deck and the house.
Now attach the ledger flat against the wall.
One of the benefits of this method is that more rigid minimum and maximum lag screw location configurations associated with mounting to band joists can be avoided.
I am going to run 2 lapping strips of grace vycor ledger flashing it is like ice water shield only 9 wide under the siding and ledger board.
Then align the two end of flashing.
Mark the board at 16 intervals from end to end with an extra mark of 2 from other end.