2 Panels On 2 Tracks WE-Plus Sliding Window
Air Tightness
ASTM E283: 10.7m3 / h·m2 test – ENNoise Insulation *
JIS: 25 dBWater Tightness
ASTM E330: 300 PaWind Pressure Resistance
ASTM E330: 2000 Pa* Sound performance test has been done in JIS standard Controlled environment. Performance will vary by room condition. Please consult with insulation specialist.