In a ledger board application a x 4 lag bolt was tested to provide 180 lbs support of allowable shear load per screw.
Attach ledger board to concrete.
I have to attach a ledger board to a concrete wall with no access to the inside of the wall.
Position the ledger against the wall and mark the anchor positions through the hole onto the wall.
Five ledger board techniques explained and illustrated.
The ledger is not only the structural connection between the deck and the house.
Any one of these five ledger connection methods properly installed will give you a reliable long lasting deck that is secure.
This wood strip allows other pieces to be joined to the wall with relative ease.
Line up the pilot holes in the board with those on the block.
Ledger boards are used to make joints between lumber structural elements and other materials.
Hold the ledger board in place on the cinder block.
To attach a ledger against a wall through brick veneer.
Fastening a ledger to concrete.
Mark anchor locations on your ledger and drill through the board with a bit.
Standard bolt patterns are based on a solid connection to a solid sawn and fully supported band joist in the home.
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.
I am thinking about 1 2 threaded rods embedded and mortered into 6 inch deep holes made with a hammer drill have not decided yet or talked to code office any suggestions or experience welcome.
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.
It s also what establishes the overall height and levelness of the entire deck frame.
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.