Then remove the tape.
Putting a wall next to a concrete wall.
Subscribe to this old house.
Cut away the ceiling sheathing or drywall if present to reveal the ceiling from the concrete wall back to the next joist.
Drive three concrete nails spaced at even intervals through each side of each hat channel.
Drop in the anchor and hammer on the pin to expand the bottom of the shield against the wall of the hole.
A hammer drive anchor requires only a small pilot hole.
The one shown requires only a 1 4 inch hole.
Cut 2 by 4 blocks to fit between.
Level to level blocks lengthwise and a torpedo level to level the front to back.
Use concrete nails and a concrete nail gun to attach the hat channels to the wall after drawing a plumb line to make sure you ve spaced the hat channels properly for the size of drywall and insulation you re using.
Drill the hole at least 1 4 inch deeper than the length of the lower portion and vacuum or blow out the hole.
Install the first course of blocks using a taut string line to establish a straight row.
Once the first row is installed pack native soil to grade level on both sides of this course to anchor the wall in place.