The supports are long steel bars that go through the shelves and into the studs in the wall. We predrilled holes for them before we tiled. We used oak planks seamed together to make a solid wood shelf." I love the hanging coffee mugs.
Track your deep freezer items with a DRY ERASE marker. A magnetic strip with adhesive will keep track of the marker so you can change totals as you raid the freezer. I must do this for the garage freezer.