NEXSTA Butt Hinged Door Smart design that keeps air cool in the room with natural lighting. You can enjoy easy care on both sides of the frame. FEATURES Structural (Wind load)1600 Pa Deflection L/125 and L/175 Water tightness350 Pa Air infiltrationGrade A-4(JIS) Sound insulationT-1 (-25 dB) (JIS) T-2 (-30 dB) (JIS) Rw 24 ~ 30 (ISO) Double glazingMax 6 + A6 + 6 mm Glass Groove : 24 and 26 mm VARIATION AND SIZE INFORMATION Single DoorMinimum Size: 800 x 1500 mmMaximum Size:1100 x 3000 mmDouble DoorMinimum Size: 1100 x 1500 mmMaximum Size:2200 x 3000 mm RELATED PRODUCT FOLDING VENTILATION BUTT HINGED Contact Us Catalog Download Showroom <<< Back to Product page