Steel angles with 5 8 in.
Attach countertop to half wall.
Using a utility knife cut the cardboard along the scribe line.
Slide the end of the countertop over the horizontal stud.
Push the strip back tight against the wall using the combination square to verify the overhang depth.
If you re working with bare plywood or particleboard place nails vertically down through the top of the countertop spaced about 4 inches.
Check the level again before trimming the shims with a utility knife.
Attach the countertops to the cabinets.
Make a mark 3 feet from the corner on one wall and 4 feet from the corner on the other wall.
Screw the countertop to the cabinet sides using 1 1 2 in.
The point where two counters meet in a corner must be square.
The fascia laminates and backsplash can now be added.
If the holes are not completely lining up or you want a more secure install use wall anchors to attach the vanity to the wall.
Attach three 1 inch by 4 inch wood boards to the wall brace board to hold the countertop.
Run the tip of the compass along the wall with the pencil on the cardboard to transfer the contours of the wall to the strip.
If you attach a countertop to the wall with absolutely no cabinets whatsoever then use the same bracing techniques on both sides.
Be sure to place pressure sticks along the back corners where the corner blocks are located to get the countertop down tight.
Seal any gap between the backsplash and the wall or along the edges and the wall with a clear silicone acrylic caulk.
Reinstall the cabinet doors put the drawers back in place and go have a beer.
Cut the boards 2 inches shorter than the depth of the countertop with a circular or table saw.
Attach the vanity to the wall using 3 inch drywall screws.