# Roof-Window Duette Blind
Source: https://www.fenetresystems.com/en/roof-window-duette-blind/

# Roof-Window Duette Blind

Duette blind on the roof window: double layer on the horizontal plane, the softest roof-light filtering, the strongest heat cut.

## Roof Window Analysis

The roof window is a two-ended ground: the year’s densest heat and the most precious natural light arrive from the same glass. The duette works horizontally with the [two-end-tensioned](https://www.fenetresystems.com/en/ceiling-duette-blind/) order — the fabric does not sag, the daylight is filtered the softest through two layers. Two air pockets stop the roof glass’s heat load with the thickest brake.

### Horizontal Order

The fabric tensioned from two ends works straight on the ceiling plane too.

### The Softest Light

The natural light entering from the roof passes through two layers; the brightness is preserved, the glare is cut.

### The Strongest Cut

The roof glass’s summer heat sees the thickest brake in two pockets.

### Motorised

On the high roof glass a motor is a must; at a low position a rod suffices.

## The Horizontal Glass’s Double-Pocket Answer

This page is for the space decision: is the duette the right choice on the roof window? The mechanism, rail and configuration options of the two-end-tensioned mechanism are detailed on the [roof duette system page](https://www.fenetresystems.com/en/ceiling-duette-blind/).

The roof window is the most efficient natural lighting but at the same time the densest heat entry. The duette’s two-end-tensioned order works horizontally; two air pockets stop the heat at the glass line with the thickest brake.

The access reality decides the motor: on the glass unreachable by hand the motorised order is a must; the manual variant with an extension rod works at a low position.

In the volume wanting blackout the double-layer opaque turns day into night; the diffuse variant preserves the lighting.

Application Notes

## Mounting & Selection for Roof Window

### Two-Ended

Horizontally the fabric is carried with tensioning from two directions; the single-sided system does not work.

### Motorised

A motor on the high glass; a rod suffices at a low one.

### Blackout

The double-layer opaque in the volume wanting blackout.

### Case

The roof-window brand decides the profile; the measurement is taken from the case.

Explore

## Related Pages

Roof Window — horizontal order, the softest light, the strongest cut, motorised.

[Duette Blinds for Geometric and Sloped Windows](https://www.fenetresystems.com/en/duette-blinds-for-geometric-sloped-windows/) [Duette Blinds](https://www.fenetresystems.com/en/duette-blinds/)

## Roof Glass

With the access height and the joinery brand, the order is chosen.

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