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.
Attach ledger board to concrete block.
The only correct way to fasten a ledger to a hollow wall is to sandwich the block with another ledger board inside the house.
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.
This is a time consuming process and should be done while the house is being constructed to simplify the process and reduce costs.
Mark anchor locations on your ledger and drill through the board with a bit.
Yes there are products available for anchoring a ledger board to hollow concrete block foundations concrete masonry unit cmu.
There are a handful of manufacturers that produce epoxy and other adhesive anchors that are tested for use in hollow cmu.
This wood strip allows other pieces to be joined to the wall with relative ease.
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There are no fasteners that are approved for attaching a deck ledger to a hollow block wall.
Mark these locations on the wall with a pencil.
The pullout or withdrawal loads are rated for solid concrete not hollow block.
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.
Any one of these five ledger connection methods properly installed will give you a reliable long lasting deck that is secure.
Things needed measuring tape.
Drill through the brick veneer with a inch masonry bit in a hammer drill until you reach the wood frame.
Line up the pilot holes in the board with those on the block.
Five ledger board techniques explained and illustrated.
Can i attach my deck to a hollow block concrete foundation.
Ledger boards are used to make joints between lumber structural elements and other materials.
Hold the ledger board in place on the cinder 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.