Airtight Performance
Level 8
q1=0.3 m³ / (m.h)
q2=0.5 m³/ ( ㎡.h )
Wind Pressure resistance
Level 9
p3=5.0 Kpa
Watertight Performance
Level 6
△P=700 pa
Insulation Performance
Level 7
K=1.8~ 2.2W/(㎡.K)
ES65 Double Sash Window
ES65 double sash window is an outward opening window, so it’s very safe when children play under the window. The windows that open outward also will save space. Though it is a big window, its aluminum window frame can resist heavy wind in bad weather. This window is suitable for places where the weather is changeable.
