Permalsteel
Windows
Casement Window
Side-hinged, opens fully outward for maximum ventilation.
The Casement Window is the preferred choice for architects and homeowners who value ventilation and clean sightlines. Hinged on the side and opening fully outward, it captures maximum airflow while the slim steel frame minimizes visual obstruction. Available with thermal break technology, it delivers excellent thermal performance for passive house and energy-efficient projects.
Key Features
- Fully outward opening for maximum ventilation
- Thermal break option — U-value down to 2.0 W/(m²K)
- Multi-point locking for superior airtightness and security
- Slim sightline — as narrow as 40–60mm
Application Scenes
Residential homes, high-rise apartments, passive houses, modern renovations.
Fully Customizable
Fully customizable in style, size, color, glass, and hardware.
- Style
- Size
- Color
- Glass
- Hardware
Common Styles
Single sash / double sash / inward opening / outward opening / with fixed panel.
Opening Method
Casement (side-hinged).
More styles available — custom-made to your own drawings or reference images.
Best airtightness, max ventilation, fully opening — for passive houses.
