How to attach a ledger board to brick

Written by mark morris | 13/05/2017
How to attach a ledger board to brick
Attaching anything to a brick wall requires the proper hardware. (Jupiterimages/ Images)

Connecting floors, such as decks, and roof ridges to existing walls requires the use of a horizontal joining board known as a ledger. Ledger boards are made of 2-by-6 or 2-by-8 lumber, depending on what the board will support. The process is exactly the same, regardless of ledger size. Brick faces are a bit trickier than traditional wood framed walls. Using the correct hardware is the key to making a strong, lasting joint.

Measure the length of the ledger board you need and cut the lumber to length with a mitre saw. Drill holes through the ledger board with a 1/4 inch bit, one inch down from the top edge and one inch up from the bottom edge. Make one hole every eight inches.

Measure the height of the required ledger on your wall and mark the height you want to hang the bottom of your ledger at both ends of the length of your proposed ledger.

Pull a chalk line between the two marks to mark the height of the bottom of the ledger.

Position the board so that its bottom edge is on the top of the line. Have a helper hold the ledger steady. Drill through the holes in the ledger to mark the face of the wall 1/8-inch deep in each spot.

Lay the board aside and drill holes in each marked spot. Make the holes 2 inches deep. Blow the dust from each hole.

Reposition the ledger and drive one 3-inch tapcon style concrete screw through each hole into the wall. Drive the screws in to press the ledger firmly to the brick wall, so that the heads of the screws run flush with the face of the ledger.

Things you need

  • 2-by-6 or 2-by-8 lumber
  • Tape measure
  • Mitre saw
  • Chalk line
  • Drill
  • Tapcon style concrete screws

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