Yes there are products available for anchoring a ledger board to hollow concrete block foundations concrete masonry unit cmu.
Attaching ledger board to concrete block wall.
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.
Mark anchor locations on your ledger and drill through the board with a bit.
When working with cinder block the best fasteners available are double threaded concrete screws.
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.
It s also what establishes the overall height and levelness of the entire deck frame.
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.
There are a handful of manufacturers that produce epoxy and other adhesive anchors that are tested for use in hollow cmu.
Drill through the brick veneer with a inch masonry bit in a hammer drill until you reach the wood frame.
Some landscape designs call for a deck to join with a cinder block wall at a property line a building or a planter.
The fourth technique involves securing the ledger to a concrete foundation wall rather than to the first floor band board.
The deck to block connection is done with a ledger board attached to the block.
Position the ledger against the wall and mark the anchor positions through the hole onto the wall.
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.
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.
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.
Line up the pilot holes in the board with those on the block.
Can i attach my deck to a hollow block concrete foundation.
Hold the ledger board in place on the cinder block.
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.
Repeat for each hole making sure that each screw is run all the way in until the head is flush.
This wood strip allows other pieces to be joined to the wall with relative ease.
The ledger is not only the structural connection between the deck and the house.