How to Hang Something Heavy. with carpet trim! On piece to be hung, attach carpet trim, channel DOWN (add stick on rubber bumpers near bottom of frame). On wall, attach carpet trim to studs, channel UP.
A French cleat is a way to hang heavy items onto walls. A single piece of wood is split in two at a angle. Alternatively, two pieces of wood are cut at angles to fit one on top of the other. Use a French cleat for mounting shelves and bookcases on a wall.