Sport Dome Airlock Entry System Entry configurations, aluminum-frame construction, placement requirements, and clear dimensions. A framed Airlock Entry System attached to an Ameri-Dome. Standard and Additional Entries Every Sport Dome includes one Airlock Entry System and one L-zipper. Additional airlocks can help reduce congestion or provide separate routes for athletes, spectators, staff, equipment, or emergency access. Sport Dome Airlock entry information Included entries 1 airlock + 1 L-zipper Additional airlock $2,893.39 plus shipping Placement Straight wall sections, not corners Design and Access Standard zippers and rotary doors can limit the size and type of traffic moving through an inflated enclosure. The framed airlock opening accommodates groups, wheelchairs, backboards, and equipment. The frame is made from aluminum rather than steel. This reduces weight, improves corrosion resistance, and makes the assembly easier to ship, handle, and install. Your browser cannot play this video. Download the Airlock installation guide. Airlock assembly and attachment guide — 3 minutes. Airlock frame, door, and flexible dome shroud. Dimensions The opening is large enough for wheelchairs, backboards, and small pieces of furniture. Exterior base 4 ft. × 8 ft. Maximum exterior height 89 in. Interior clear width 46 in. Interior clear height 76 in. Exterior footprint and interior opening dimensions.