1. Cut piece of plastic large enough to wrap mirror with, line crate
2. Cover face of mirror with protective film.
Carefully pop large air bubbles with blade and trim excess around edge
3. Place mirror face down into crate and wrap plastic sheet around it, securing with tape. Insert folded cardboard pieces between glass and homasote on each side for a snug fit.
Line up one of the metal cross bars to be parallel with the side of the crate.
4. Screw in wooden crossbars on top of metal bracket. Cross bars need to cover as many of the aluminum "pucks" as possible.
The first wooden crossbar lays on top of the parallel metal bar covering 2 "pucks". The second crossbar either covers the last puck or splits the difference if there is more than one puck remaining.
5. Screw down the wall cleat to the bottom corner of the crate. Tape bag of hardware to crate above the cleat.