We Plus
Casement window (Single lock)
Air Tightness
10.7 m3/h.m2 (ASTM E283)
Noise Insulation
T-1 : 25 dB (JIS A 1416)
Water Tightness
240 Pa (ASTM E300)
Wind Pressure Resistance
1600 Pa (ASTM E330)* Sound performance test has been done in JIS standard Controlled environment. Performance will vary by room condition. Please consult with insulation specialist.