Attaching Ledger Board To Concrete Block Wall

Some landscape designs call for a deck to join with a cinder block wall at a property line a building or a planter.

Attaching ledger board to concrete block wall.

Drill through the brick veneer with a inch masonry bit in a hammer drill until you reach the wood frame. 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. 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 deck to block connection is done with a ledger board attached to the block. Line up the pilot holes in the board with those on the block. Forethought pays off when dealing with icfs. The ledger is not only the structural connection between the deck and the house.

To attach a ledger to an icf wall the irc calls for direct concrete to wood contact which is usually accomplished with anchor tunnels these plastic inserts thread into 6 inch diameter holes drilled in the foam forms figure 2. This wood strip allows other pieces to be joined to the wall with relative ease. Mark anchor locations on your ledger and drill through the board with a bit. Repeat for each hole making sure that each screw is run all the way in until the head is flush.

The fourth technique involves securing the ledger to a concrete foundation wall rather than to the first floor band board. Hold the ledger board in place on the cinder block. Yes there are products available for anchoring a ledger board to hollow concrete block foundations concrete masonry unit cmu. A ledger is typically a 2 by 4 or larger piece of lumber attached to a wall or other surface with the use of fasteners such as nails or screws.

To attach a ledger against a wall through brick veneer. Beginning from one end drive one 2 1 2 inch tapcon style concrete screw through each pilot hole in the board and into the cinder block. Step 3 drill the holes for the installation 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. 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.

When working with cinder block the best fasteners available are double threaded concrete screws. It s also what establishes the overall height and levelness of the entire deck frame. Can i attach my deck to a hollow block concrete foundation.