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Premium quality for flat roofs

Fixed flat roof window

Roto OnTop

The OnTop fixed flat roof window by Roto fills rooms with natural light, even in spaces without traditional façade windows. Its sealed glazing is safe, soundproof, and energy-efficient, keeping your space comfortable and quiet.

Designed to seamlessly integrate into any flat roof, the OnTop window offers flexible installation options with optional connection systems. The durable PVC hollow chamber profile provides weather resistance, stability, and excellent energy efficiency, ensuring a long-lasting and reliable solution.

Available in a range of sizes, the OnTop window offers trusted Roto quality and creates brighter, more welcoming spaces for living or working.

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

Your inspirations and our solutions

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Technical data sheet

pdf
Roto OnTop Fixed Flat roof winow (FI) technical data sheet
pdf, 233 KB
Download

Find the right equpment and accessories for your Roto OnTop roof window

Extension kerb

To the products

Frame for pitched installation

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OnTop Pleated blinds

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