Premium quality for flat roofs
Tronic flat roof window
Roto OnTop
The OnTop Tronic flat roof window from Roto combines effortless ventilation with abundant natural light. Its electric drive lets you open and close the window at the touch of a button or through smart home controls. A built-in rain sensor automatically closes the window to keep your interior protected.
Designed for durability and energy efficiency, it features a weather-resistant PVC profile and optional connection systems for seamless flat roof integration. Available in a range of sizes, it’s easy to install and delivers comfort and daylight for modern living.
Advantages in a nutshell:
✔ Ensures a secure connection with maximum pre-assembly for easy installation
✔ A set of connection profiles for mechanical fixing of roof covering is included in the delivery scope to provide robust securing of the roof seal
✔ Made of a weather-resistant PVC hollow chamber profile for long-lasting stability and exceptional durability
✔ Features additional internal insulation for outstanding energy efficiency
✔ Equipped with a toughened, fall-proof outer pane for maximum protection
✔ More convenience thanks to electrical operation - openingcontrolled by 1-channel wireless wall transmitter (included as a standard)
✔ Built-in rain sensor rain sensor
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Technical data sheet