Forum responses (cabinet and millwork installation forum) from contributor j:
How To Put A Cabinet On The Wall. Installing new wall cabinets in your kitchen is an advanced project, but following these steps can save you the cost of hiring a professional. Check that they are level and plumb before moving on to the next step.
Closet Jewelry Cabinet. I can imagine this with a full ... from i.pinimg.com
The open area of the floor allows you, your helper, and your step ladder clear put a rag or piece of cardboard over the cabinet where the notched lumber will go to protect the cabinet's finish. Use an oversized drillbit and put a washer large enough to cover the oversized hole you made. To attach the blocking, put construction adhesive on both ends, and place it between the studs, flush with the drywall opening.
Put 3″ screws though the cabinet where the cleats are positioned so the screws secure the cabinet and cleats to the wall.
A recessed medicine cabinet needs to be anchored inside the wall to a rectangle of framing, the center of which must be clear of obstructions. The cabinet can be flush to the wall. This is very common when people mistakenly use. I didn't realize this initially, but it has first put a square to the corner and see if less or greater than square.