77IW
Stylish modern designs with diverse configurations.
High thermal performance with advanced technologies.
Seamless integration with curtain walling and doors.
Personalisation Options
Flyscreen
Balustrade
Concealed Drainage
“Modern contemporary styles and a wide variety configurations delivering high levels of thermal performance through incorporating technologies such as high performance polyamides, insulated centre seals and profile foam insertions. The 77IW system also fully integrates with the curtain walling and door systems.”
Technical Details
Performance
Energy
77IW Open-In
Thermal Insulation - Uw = 1.2 W/m2K (Double Glazed)
Thermal Insulation - Uw = 0.8 W/m2K (Triple Glazed)
77IW Open-Out
Thermal Insulation - Uw = 1.2 W/m2K (Double Glazed)
Thermal Insulation - Uw = 0.8 W/m2K (Triple Glazed)
Comfort
77IW Open-In
Air tightness = Class 4 (600Pa)
Water tightness = Class E1200 (1200Pa)
Wind load resistance = Class C5 (2000Pa)
77IW Open-Out
Air tightness = Class 4 (600Pa)
Water tightness = Class E1050 (1050Pa)
Wind load resistance = Class C5 (2000Pa)
Safety
Burglar resistance = PAS24 & SBD
Overall Dimensions
Size Limits
77IW Open-In
Side hung (max weight) = 100 Kg
Bottom hung (max weight) = 60 Kg
77IW Open-Out
Top hung (max weight) = 180 Kg
Side hung (max weight) = 55 Kg
Bottom hung (max weight) = 90 Kg
Glazing
Dimensions
Thickness = 50mm
Glazing method
Dry glazing/Siliconised glazing/Internal glazing/Glazing bead