Rain-Protected Ventilation
Top-hinged awning windows that open outward from the bottom, providing ventilation even during rain. Ideal for tropical climates, bathrooms, and commercial applications where weather-protected airflow is essential.
Aluminum Doors & Windows Catalogue—Full specifications, configurations, and technical data
The Challenge
In tropical and rainy climates, opening windows for ventilation means inviting rain inside. Occupants are forced to choose between fresh air and dry interiors, leading to closed windows, poor indoor air quality, and increased reliance on mechanical ventilation and air conditioning.
Technical Data
Opening Type
Top-hinged, outward opening
Profile System
55mm, 65mm series
Uw Value
As low as 1.2 W/(m²·K)
Air Tightness
Class 4 (EN 12207)
Max Sash Size
1,200 × 1,500 mm
Opening Angle
Up to 60°
Where It's Used
Ventilation during monsoon and rainy seasons
Moisture ventilation with rain protection
Perimeter ventilation for office facades
Safe ventilation above reach height
Differentiators
Global Compliance
Common Questions
Yes. Awning windows with friction stay hardware can be specified for high-wind zones. The outward-opening design naturally deflects wind-driven rain. For extreme conditions, motorized operators with wind sensors can automatically close windows.
Yes. Stacked awning configurations are popular for commercial facades, creating a louvered appearance when open while maintaining a flush, clean look when closed.
Explore Our Full Product Range
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.