Dual-Function European Style
European-style tilt and turn windows offering two opening modes from a single handle: tilt inward from the top for secure ventilation, or turn inward from the side for full opening. The gold standard for thermal and acoustic performance.
Aluminum Doors & Windows Catalogue—Full specifications, configurations, and technical data
The Challenge
Buildings need both ventilation and security, but traditional windows force a choice: open for airflow and compromise security, or close for safety and sacrifice fresh air. In high-rise buildings, fully open windows create fall hazards, while closed windows create stuffy, unhealthy indoor environments.
Technical Data
Opening Modes
Tilt (top) + Turn (side)
Profile System
65mm, 70mm, 80mm series
Uw Value
As low as 0.8 W/(m²·K)
Air Tightness
Class 4 (EN 12207)
Water Tightness
Up to E1200 (EN 12208)
Max Sash Weight
Up to 180 kg
Where It's Used
Meets Passivhaus thermal requirements
Safe ventilation at height with tilt mode
Controlled ventilation for patient rooms
Child-safe ventilation for classrooms
Differentiators
Global Compliance
Common Questions
Tilt & turn offers two functions in one window: tilt mode provides secure ventilation (the opening is too narrow for entry), while turn mode allows full opening for cleaning and maximum airflow. This dual functionality is why tilt & turn is the standard in European construction.
Yes, when specified with impact-resistant laminated glass and reinforced hardware. However, casement windows with compression seals may be preferred in extreme wind zones for their superior air-tightness under pressure.
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Will Enterprise manufactures across 4 integrated product verticals — all from our facilities in Shandong, China.
Our engineering team can help you specify the right product for your project requirements, local building codes, and performance targets.