- 1). Place a mark along the ground and ceiling every 16 inches from the adjoining wall so that one pair of marks is placed every 16 inches. Stretch a chalk line from the top mark to the corresponding bottom mark, pull the line back and release it to snap a vertical blue line from floor to ceiling on the wall.
- 2). Measure each vertical blue mark and cut one furring strip to the size of each mark. Work on one mark at a time before measuring and cutting the next.
- 3). Spread construction adhesive across the back of the furring strip and press it onto the wall so the strip of wood is centered on the vertical blue line.
- 4). Drill three to four pilot holes through the furring strip and into the wall that match up with mortar lines in the wall, using a 1/8-inch masonry drill bit. One hole needs to be near the top and the other near the bottom. Space one or two more holes evenly near the center of the strip. Use a larger drill bit if the masonry screws are larger than 1/8 inch. Most packages of masonry screws come with a properly sized drill bit.
- 5). Drive a mortar screw through the furring strip into the block wall to firmly secure the strip to the wall.
- 6). Repeat the process for each vertical blue line.
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