Sliding Doors (6 Panels On 3 Tracks) Frame Depth: 101.6 mm., 120 mm (2 tracks sliding), 178 mm (3 tracks sliding) Maximum Height of Door: 3,420 mm Height of sill: 50 mm Glass thickness: Up to 31.5 mm Air Tightness ASTM E283: 10.7M3 / H·M2 Noise Insulation JIS:...