Arrow floor frame kits are the perfect accessory to your new shed. They provide the galvanized metal framework foundation to add a strong floor if your shed is placed on grass, gravel, or bare earth. The frame will raise the floor above ground level to help with drainage and help keep your items clean and dry. METAL FRAMING ONLY – Attach plywood to complete your shed floor. Use 5/8” minimum thickness, exterior grade plywood that has a waterproof adhesive.