While plastic and wood shelves can provide a sturdy and solid weight capacity, metal shelving is going to be strongest and can provide the highest weight capacity per shelf. Our best overall pick for garage shelving can hold up to 2,000 pounds per shelf. Here our our other picks for best garage shelving: -Best Garage Shelving Overall: Gladiator 4-Tier Welded Steel Garage Shelving Unit -Best Customizable Shelving: Rogue 3-Tier Mass Storage System -Best Weight Plate Shelving: Titan Fitness Mass Storage System -Best Budget Shelving: Gorilla 5-Shelf Rack -Ultra Budget Shelving: Amazon Basics Adjustable Shelving Unit -Best Wall-Mounted Shelving: PRx Wall-Mount Dumbbell Storage -Best Heavy-Duty Shelving: Dewalt Industrial Storage Shelf