Beautiful appearance is created by bringing glass from the middle to the front area. Sound performance test has been done in JIS standard Controlled environment. Performance will vary by room condition.
Air Tightness: JIS A-4 : 2 m³/h·m²
Noise Insulation: JIS : 25 dB
Water Tightness: JIS W-5 : 500 Pa
Wind Pressure: JIS S-3 : 1600 Pa
Glass: 12 mm
Height of Sill: 22 mm