VELUX DFD Duo Blackout Roller Blind — Description
Main Advantages
- 2-in-1 design – blackout roller blind + light-diffusing pleated blind in one product.
- Total blackout – side guides help prevent light leakage at the edges for a true blackout effect.
- Daylight privacy – the pleated blind softly diffuses daylight for comfortable daytime use.
- Stop anywhere – the roller blind can be positioned at any height on the window.
- Oeko-Tex® Standard 100 – tested fabric with no harmful substances.
- Easy installation – fast mounting with the Pick&Click!® system (no complicated DIY).
- Warranty – 3-year VELUX manufacturer’s warranty.
Care and Cleaning
How to Install the VELUX DFD Duo Roller Blind
Compatibility with VELUX Roof Windows (Types, Sizes, Variant Codes)
Our configurator supports the full range of VELUX GGL window sizes – covering both classic models (e.g., 304, M04, 306, 606, S06) and newer generations (MK06, SK06, MK04, CK02).
Many customers ask about blinds for specific variants like VELUX GGL S06 3073 or GGU MK04 0059. Although this 4-digit code at the end is only relevant for window servicing, we have listed popular variants below so you can be sure your window is fully supported.
| Popular Window Types | Popular Sizes | Glass Type (4-Digit Code) | Finish and Benefits |
|---|---|---|---|
| GGL, GPL, GHL | 304, M04, 306, M06, 606, S06, 408, P08, C02, 804, U04 | 3059, 3070, 3073, 3000, 3076, 3057, 3060, 3066, 3068 | Lacquered pine – standard double glazing (3059, 3070), noise reduction (3060), triple glazing (3066, 3068), safety and reinforced models. |
| GGU, GPU, GHU, GTU | CK02, MK04, MK06, MK08, SK06, FK06, PK08, SK08, UK04 | 0070, 0060, 0062, 0066, 0076, 0059, 0068 | White polyurethane – moisture-resistant, ideal for bathrooms and kitchens. Double glazing (0070, 0059), triple glazing (0066, 0068), noise reduction (0060), solar control (0076). |
| GGL | CK02, MK04, MK06, MK08, SK06, SK08, FK06, PK06, PK08, UK04 | 2070, 2050, 2076, 2057, 2054, 2068 | White-painted wood – elegant “White Painted” finish. Double glazing (2070, 2054, 2057), triple glazing (2050, 2068, 2076), various energy and acoustic levels. |
| GHL, GPL, GTL | C02, C04, M04, M06, M08, S06, S08, P06, P08, U04 | 3073, 3076, 0059, 0070, 0076 | Top-hung windows – specialized glazing for projection opening. Double glazing (3073, 0070), triple glazing (3076, 0076), rain noise reduction variants. |
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FAQ: VELUX DFD Duo Blackout Roller Blind (Expert Answers)
How does the 2-in-1 Duo system work?
The upper part is a blackout roller blind for full darkness, while the lower part is a pleated blind that diffuses daylight. This allows you to choose between blackout for sleeping and soft light for daytime privacy without changing products.
Does the pleated blind also blackout the room?
No. The pleated blind is semi-opaque and designed for light diffusion and privacy, not for blackout. For total darkness, use the upper blackout roller blind.
Will the lower pleated fabric match the upper colour?
The upper blackout fabric is available in four colours (light beige, white, dark blue, grey), but the lower pleated fabric is always white. This is the standard VELUX DFD Duo design and provides a clean, neutral look from inside.
Which side guide colour should I choose: white or aluminum?
White side guides blend best with white polyurethane windows (GGU) and white-painted frames, while natural aluminum is a classic choice for pine frames (GGL) and a more technical look. Functionally, both options work the same.
Can I improve summer comfort even more?
Yes. For the best anti-heat performance, combine the DFD Duo roller blind with an external VELUX awning blind (MHL). External shading stops heat before it reaches the glass, while DFD Duo gives you light control and blackout inside.
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