Alpine’s new DockPort 6 door is a massively strong and are a beautifully constructed door. Dockport 6 doors are ideal for use in Factories, Parking Garages, Harsh Environments, Airports, Loading Docks, Industrial and Commercial Buildings, Security/Impact Areas, High Traffic Areas, Shipping and Ocean Container Loading and Unloading Areas. Alpine Dock Port 6” curved slat doors are recommended for security against theft and other applications where security, strength and high quality are essential. No matter how large or small the job or how unusual the application, Alpine has a service door that meets your individual specifications. Doors are available in different materials including galvanized, prime painted, stainless steel, and aluminum. Alpine’s quality and workmanship are proven throughout the door industry. Our hands-on approach to every job ensures customer satisfaction.