Aluminium Curtain Wall
Air Tightness
JIS A-4 : 2m³/h-m²Noise Insulation
JIS : 25dBWater Tightness
JIS W-5 : 500 PaWind Pressure
JIS S-3 : 1600 Pa*Sound performance test has been done in JIS standard Controlled environment. Performance will vary by room condition. Please consult with insulation specialist.