1.Important: Overhead garage storage racks does not come with wire decks. Decks are not included. Fleximounts recommends 4'x8' size and at least 3/8" thick plywood. Customize the color of your wooden decks to your liking, or recycle your old wooden boards. | 2.Strong and Secure: Unmatched strength compared to competing products with 4 corner triangle and 2 frame reinforcements bars. Heavy duty construction provides safely loading up to 600lbs with 3/8" plywood or thicker. | 3.Stable: Multiple dedicated embedded mounting points in the frame allow you to securely and firmly fasten your decking down with tapping screws. | 4.The Perfect Storage Solution: Fleximounts Overhead Garage Storage Rack is the perfect solution to a cluttered garage. By utilizing the unused overhead space, you can get your items up off the floor and out of the way. 22'' to 40'' ceiling dropdown provides up to 105 cu. Ft. of storage. Dimensions: 96 in. L x 48 in. W x 22-40 in. H. （Accessory hook and items pictured on the racks are not included.） | 5. DIY installation with step-by-step instruction. Installation template helps make plan. This overhead storage rack fits all ceiling joist spacing ≤ 24", if joist spacing > 24", only fits the ceiling spacing of 48". Can NOT be mounted to metal wall. Suitable for wood studs/joists and concrete wall.