The Stack Rack XXL+ is a good solution for temporary and deployed warehouses, but standard warehouses could also benefit from the flexibility of the STACK RACK. Stack rack is a heavy-duty storage rack, which can be assembled and stacked in minutes to form a standard pallet racking system. Hot dip galvanized, it can also be used outside Accommodates Euro pallet, US military standard pallets and most other common pallets in the US.