Level to level blocks lengthwise and a torpedo level to level the front to back.
Putting a wall next to a concrete wall.
The one shown requires only a 1 4 inch hole.
Install the first course of blocks using a taut string line to establish a straight row.
Measure the span between the joists.
Once the first row is installed pack native soil to grade level on both sides of this course to anchor the wall in place.
Subscribe to this old house.
Drive three concrete nails spaced at even intervals through each side of each hat channel.
Drill the hole at least 1 4 inch deeper than the length of the lower portion and vacuum or blow out the hole.
Cut away the ceiling sheathing or drywall if present to reveal the ceiling from the concrete wall back to the next joist.
Drop in the anchor and hammer on the pin to expand the bottom of the shield against the wall of the hole.
Tape a one foot by one foot square of plastic sheeting plastic kitchen wrap will do to the concrete wall in your basement with duct tape and leave it in place for 24 hours.
Ask this old house mason mark mccullough rebuilds a retaining wall that was stacked with the wrong material.
Cut 2 by 4 blocks to fit between.