Things needed measuring tape.
Attach ledger board to concrete block.
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.
This is a time consuming process and should be done while the house is being constructed to simplify the process and reduce costs.
With the ledger board firmly in place against the cinder block it is now ready for you to attach the joist hangers and complete the deck installation.
The only correct way to fasten a ledger to a hollow wall is to sandwich the block with another ledger board inside the house.
This wood strip allows other pieces to be joined to the wall with relative ease.
There are no fasteners that are approved for attaching a deck ledger to a hollow block wall.
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.
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.
Mark anchor locations on your ledger and drill through the board with a bit.
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Attaching a ledger board to concrete block this topic has 37 replies 1 voice and was last updated 4 years 1 month ago by jponto07.
Can i attach my deck to a hollow block concrete foundation.
To attach a ledger against a wall through brick veneer.
Repeat for each hole making sure that each screw is run all the way in until the head is flush.
Ledger boards are used to make joints between lumber structural elements and other materials.
Line up the pilot holes in the board with those on the block.
There are a handful of manufacturers that produce epoxy and other adhesive anchors that are tested for use in hollow cmu.
Any one of these five ledger connection methods properly installed will give you a reliable long lasting deck that is secure.
Five ledger board techniques explained and illustrated.
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.
Mark these locations on the wall with a pencil.