Attaching Ledger Board To Concrete Block Wall

This wood strip allows other pieces to be joined to the wall with relative ease.

Attaching ledger board to concrete block wall.

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. Mark anchor locations on your ledger and drill through the board with a bit. Can i attach my deck to a hollow block concrete foundation. Yes there are products available for anchoring a ledger board to hollow concrete block foundations concrete masonry unit cmu.

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. Drill through the brick veneer with a inch masonry bit in a hammer drill until you reach the wood frame. Hold the ledger board in place on the cinder block.

There are a handful of manufacturers that produce epoxy and other adhesive anchors that are tested for use in hollow cmu. Some landscape designs call for a deck to join with a cinder block wall at a property line a building or a planter. 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. Place the board against the wall and mark the edges and the top so that you know where to fit the board when you are ready to install it.

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. Forethought pays off when dealing with icfs. Position the ledger against the wall and mark the anchor positions through the hole onto the wall. Repeat for each hole making sure that each screw is run all the way in until the head is flush.

To attach a ledger against a wall through brick veneer. The deck to block connection is done with a ledger board attached to the block. The ledger is not only the structural connection between the deck and the house. 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.

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. It s also what establishes the overall height and levelness of the entire deck frame.