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.
Properly installing a ledger board for your deck is one of the most important structural components of building a safe and strong deck.
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.
The fourth technique involves securing the ledger to a concrete foundation wall rather than to the first floor band board.
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.
Concrete nails are shaped like thick common nails.
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.
Fastening a ledger to concrete.
Take a 1 2 drill and make holes for bolts at the marking point.
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.
2x8 so i was going to use 2x10 for the ledger board.
Mark the board at 16 intervals from end to end with an extra mark of 2 from other end.
These nails are driven through a board and into concrete underneath much like nailing a wood board to a wood floor.
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.
These nails are cheap hold well as long as they penetrate at least inch into the concrete and are extremely hard to pull out.
It s also what establishes the overall height and levelness of the entire deck frame.
Ledger board attachment to a solid concrete foundation wall.
Then align the upper rim at the drawn line.
Now attach the ledger flat against the wall.
The ledger is not only the structural connection between the deck and the house.