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75 Out-Swing Window
Greborn Global Casement Windows are designed for maximum ventilation, clear views, and superior sealing performance. Built with premium broken aluminum frames and high-performance insulated glass, they combine modern aesthetics, durability, and energy efficiency. The outward-opening sash allows fresh air to flow freely while keeping dust, rain, and noise outside — perfect for both contemporary and traditional architectural styles.
Handle brand
Belgian Jiedo without base
Hardware brand
Belgian Jiedo external casement window inner groove hinge hardware
Surface treatment
AkzoNobel environmentally friendly powder from the Netherlands
Sealant strip
EPDM sealant strip
Why Us?
Modern Aesthetics
Crafted from premium aluminum, our products embody a sleek, minimal design that complements any architectural style.
Extreme Performance
Engineered for excellence, delivering superior water and wind resistance to withstand even the harshest conditions. Our Thermal Break Technology means more energy saving, and of course, more comfort for you.
Seamless Experience
We want to give you the smoothest operation possible, with effortless opening and closing—just seamless experience.
Key Features
Thermal Break Technology
Our Broken Aluminum frames paired with premium insulated glass deliver superior energy efficiency and comfort. Standard dual-glazed Low-E tempered glass minimizes heat transfer, while optional triple glazing and laminated safety glass enhance insulation, soundproofing, and security.
25-E Type 75 Series
25-E Type 75 Series Chinese Red
25-E Type 75 Series Spruce Green
25-E Type 75 Series Deep Red
25-E Type 75 Series Mao Yue Color
25-E Type 75 Series Tiffany Blue
25-E Type 75 Series Hermes Orange
Thermal Control in Every Climate
Our precision-engineered thermal break reduces thermal conductivity, prevents condensation, and improves energy performance. Whether in hot summers or cold winters, Casement Windows maintain a comfortable indoor climate.
Energy Efficiency
Our Casement Windows are undergoing NFRC certification and fully comply with California Title 24 energy standards. Standard dual-glazed Low-E glass provides excellent insulation and comfort year-round.
Sound Insulation Efficiency
Dual- or triple-glazed insulated glass combined with airtight multi-point locking systems reduces noise infiltration, creating a peaceful interior even in high-traffic or urban areas.
Performance
Level 9
Wind pressure resistance performance
37dB
Sound insulation performance
Level 3
Water tightness performance
Level 4
Airtightness performance
1.6~2.0W/(㎡.K)
Thermal insulation performance
Hardware
Fitted with Belgian Jiedo inner groove hinge hardware
Hold hands
Color
Extensive palette including signature finishes, all coated with eco-friendly AkzoNobel powder coating for long-lasting vibrancy and environmental sustainability.
Gray
Black
Product Configuration
CONFIGURATION DESCRIPTION
Handle brand
Belgian Jiedo without base
Product wall thickness
The wall thickness of the stress area of the main profile is 0.071 inch
Complies with the latest national standard GB/T8478-2020
Hardware brand
Belgian Jiedo external casement window inner groove hinge hardware
Glass configuration
0.984 inches/1.142 inches/1.535 inches/1.929 inches
Surface treatment
AkzoNobel environmentally friendly powder from the Netherlands
Aluminum profiles
Ultra high precision grade 6060-T66
Sealant strip
EPDM sealant strip
Insulation strip
1.18 inch irregular multi chamber insulation strip
SYSTEM STRUCTURE
Face size
Frame 1.18 inches Turning Frame 2.03 inches
Fan Small Face 1.61 inches Fan Large Face 2.93 inches
Three seals
The entire window adopts a standard three seal design,Sound insulation
and noise reduction, insulation and waterproofing, wind and pressure
resistance, energy conservation and environmental protection
Product thickness
Frame 2.95 inches, fan 2.95 inches
Insulation chamber
Maximum design of insulation strip chamber,Rubber foam filling technology
can be added to significantly improve insulation performance
Cavity structure
The frame fans are designed with indoor and outdoor dual chamber
structures, combined with 45 degree angle cutting and injection molding
technology, ensuring stable structure and higher safety.
Lock point lock seat
Multiple safety anti pry locking points are standard for
the entire window
Middle Mullion Link
The middle stile connection uses a self expanding double connector design
for a more secure connection
Corner code corner piece
Poured solid corner code+stainless steel spiral angle
piece design,More secure and sturdy
Drainage structure
The outer view of the frame and horizontal mullion adopts a flat drainage
design,Eficient drainage and prevention of rainwater backflow
