Ledger To Concrete Wall
Use a pencil to mark the location of these holes on the wall.
Ledger to concrete wall. This results in a tensile load on the anchor bolts rather than just a shear loading. 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 between the lowered deck and the patio door. 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. Cut pieces of pt 4x4 post to fit from the top of the double ledger support to the bottom of the deck ledger above.
The ledger is not only the structural connection between the deck and the house. Hammer the sleeve anchor through the ledger board into the concrete wall. The sagging of the joists causes a rotation of the ledger board and due to the constraint of momvement caused by the concrete wall the ledger board does not rotate about the anchor bolts but rather the lower edge of the ledger that is in contact with the concrete. Use a wood bit to drill pilot holes through the ledger board.
Install two bolts at the end of each ledger board. Expansion anchors never lead shields are used in solid masonry or filled block and approved epoxy or acrylic anchors and bolts are used in hollow masonry. Fit the board against the marks you made in step 2 and drill two holes one in the top and one in the bottom that are 12 inches apart. Install your sleve anchors.
Drill two lengths of ledger board for anchors as described above and anchor them both to the solid concrete stacked to. In most cases deck ledgers can be bolted directly to poured concrete or concrete block walls. You will likely need two helpers to hold the ends of the ledger board while you get ready to attach it to the masonry wall. Fastening a ledger to concrete.
It s also what establishes the overall height and levelness of the entire deck frame. 2x12 spf 2 ledger fastened to concrete wall with 3 4 bolt 12 oc at the centerline of the ledger supporting 336 plf total load. Next use a concrete bit to drill into the concrete wall.