How To Attach Ledger To Concrete Wall

Yes there are products available for anchoring a ledger board to hollow concrete block foundations concrete masonry unit cmu.

How to attach ledger to concrete wall.

Use a wood bit to drill pilot holes through the ledger board. Drill two lengths of ledger board for anchors as described above and anchor them both to the solid concrete stacked to. 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. It s also what establishes the overall height and levelness of the entire deck frame.

I use a rotary hammer same 1 2 bit ss threaded rod and the two part hilti material as a given it is high dollor stuff the two hole gun is around 60 they have a quick set and one thats a little slower but a person can build bridges with this stuff it is impossible to get the rod out after this material has set up tap con the ledger to the wall just to hold it in place drill thru the ledger into the wall push the hilti into the hole it mixes as it runs thru the gun twist the rod into it. Place washers over the holes and screw in the 5 5 inch lag screws in the holes so that they go through the expansion anchors already in place. I am thinking about 1 2 threaded rods embedded and mortered into 6 inch deep holes made with a hammer drill i have not decided yet or talked to code office or engineer yet. There are a handful of manufacturers that produce epoxy and other adhesive anchors that are tested for use in hollow cmu.

I have to attach a ledger board to a concrete wall with no access to the inside of the wall. Cut pieces of pt 4x4 post to fit from the top of the double ledger support to the bottom of the deck ledger above. I want to decide on a few options to discuss before i approach them. Drive 1 2 by 3 inch sleeve anchors into each hole at the face of the ledger and into the block with a hammer.

Tighten the bolts carefully. Hammer the sleeve anchor through the ledger board into the concrete wall. The ledger is not only the structural connection between the deck and the house. The washers will provide protection for the board from the screw heads.

Install your sleve anchors. Next use a concrete bit to drill into the concrete wall. Fastening a ledger to concrete. 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.

Step 5 attach the ledger board to the wall put the ledger board in place once more. Concrete foundation wall the fourth technique involves securing the ledger to a concrete foundation wall rather than to the first floor band board.