The BTM40 commercial door is designed for heavy pedestrian traffic and demanding environments. It features a full perimeter cam hinge for anti-wear and a positive compression seal. The door uses 10-pound foam insulation, which is more dense and durable than the industry standard of 4 pounds. It has a two-piece frame for quick installation and no exposed fasteners for cleanliness. The door is made of 100% stainless steel for chemical resistance and no corrosion.