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Velux solar roller blinds

Want solar-powered total darkness without wiring? Genuine VELUX solar blackout roller blinds (DSL, FSC) block 100% light in attics and bedrooms. Solar-powered VELUX blackout blinds with thermal fabric reduce room temperature by several degrees in hot months.

DSL/FSC VELUX solar blackout roller blinds fit all types of VELUX windows. Aluminum side guides + solar motors block 100% light gaps.

Key Information: VELUX solar blackout blinds are available in Standard and Premium color groups . Despite price differences, these collections differ ONLY in colours/patterns – quality, blackout performance and solar technology are IDENTICAL across all groups.

Use our Size Finder tool to find the perfect solar roller blind for your window.

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FAQ: VELUX Solar Powered Roller Blinds DSL, FSC (Expert Answers)

Should I choose a manual or solar roller blind? What is the difference between a manual and a solar roller blind?
A manual roller blind is the simplest solution – you operate it by hand using a handle or rod. It works where the window is within reach and you do not plan automation. A solar roller blind has a built-in photovoltaic panel and battery, so it works with a remote control or wall switch, without the need to run electrical wires. This is ideal for high roof windows, above staircases, in mezzanines, or wherever you simply want the convenience of remote control. The difference comes down mainly to ease of operation, automation possibilities, and price – solar roller blinds are more expensive but definitely more comfortable in daily use.
How does the solar panel charging system work in VELUX DSL and FSC roller blinds – is daylight enough on a cloudy day, or is direct sunlight needed?
The solar panel in DSL and FSC roller blinds charges the built-in battery from daylight energy. Full, bright sun is not required; the roller blind also charges on cloudy days as long as natural daylight reaches the panel. Direct sunlight speeds up charging and provides a larger energy reserve, but typical daylight on the attic is sufficient for standard use. The only problem may be extreme situations where the window is completely covered from the outside or permanently shaded for a long time.
Do VELUX solar roller blinds require connection to the electrical grid, or do they work completely autonomously on solar battery power?
VELUX solar roller blinds (e.g., DSL, FSC) work completely autonomously – they do not require any connection to the electrical installation. Energy for the motor operation is stored in a battery, which charges from the built-in solar panel located at the top of the roller blind. This allows them to be installed also in places where running wires would be costly or troublesome.
Can I install a VELUX DSL solar blackout roller blind in a roof window from 1995?
Many older VELUX windows, even from the early 1990s, can be equipped with solar roller blinds.
How long does the battery last in VELUX solar roller blinds with daily use, and can I replace it myself?
The battery in VELUX solar roller blinds is designed as a long-life component – it should last many years of normal operation, with daily raising and lowering of the roller blind. With standard use and proper access of light to the solar panel, the roller blind maintains full functionality without external charging. Battery replacement is technically possible, but the manufacturer recommends using an authorized service, as it requires intervention in the cassette and control system. A charged battery of such a roller blind lasts for several hundred closing and opening cycles. You therefore do not need to worry about it stopping working due to many cloudy days.
Does the solar panel in VELUX solar roller blinds require cleaning?
The solar panel requires only occasional, very simple cleaning. It is enough to wipe its surface from time to time with a soft, damp cloth to remove dust or minor dirt that could slightly limit charging efficiency. Aggressive chemical agents or rough sponges should not be used to avoid scratching the photovoltaic surface. With normal use and regular window cleaning, the panel usually remains clean enough for proper operation.
Can I combine a VELUX DSL solar roller blind with an external manual awning blind in the same roof window?
This combination is not recommended. It should be noted that if you combine an awning blind with an internal solar-powered roller blind, the ability of the solar batteries to charge will be limited or eliminated. The awning blind will simply block light from reaching the roller blind's solar panel permanently.
Why is the VELUX FSC solar roller blind more expensive than the standard DKL blackout roller blind, and does the higher price pay off in energy savings?
FSC is not only a solar roller blind but also an energy-saving roller blind. It has a double honeycomb fabric with an aluminum coating inside, which improves window insulation by dozens of percent compared to bare glass. This means less heat loss in winter and slower room heating in summer. Additionally, the price includes the solar drive. In practice, the higher cost can partially pay back through lower heating bills and better thermal comfort, especially in bedrooms and rooms on a strongly sunlit attic.
Do VELUX solar roller blinds work in temperatures below zero, and does frost damage the solar panel or battery?
Yes, VELUX solar products are tested to work in a wide temperature range, including winter frosts typical for our climate zone. The solar panel is on the external side, but all electrical components and the battery are protected by the roller blind construction and the roof window itself. Frost should not damage them under normal use. In extreme conditions, when the glass remains covered with snow for a long time, the panel may have limited access to light and temporarily charge the accumulator weaker, but operation returns to normal after the snow melts.
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Where to find Size & Type?

We know that choosing the right size can be stressful. That’s why we created a simple, guaranteed process that eliminates the risk. Do not measure your windows. Follow these simple steps instead:

  • Step 1. Open the VELUX roof window

    Locate the data plate on the top right or left corner of the sash. It contains your window’s type and size:

    VELUX data plate with window code example

    Example above: VELUX window type is GGL, window size is MK04.

  • Step 2. Select these details on the product page

    Use the window type and size from the data plate to select the matching option from the dropdown list on the product page. That is all you need to ensure a perfect fit.

  • Fit Guarantee: we take full responsibility

    If you provided the correct code and the roller blind doesn’t fit, we will replace it at our expense or refund you.

Still not sure? Send us a photo of your window data plate: support@blindoshop.com

Where to find Size & Type?

We know that choosing the right size can be stressful. That’s why we created a simple, guaranteed process that eliminates the risk. Do not measure your windows. Follow these simple steps instead:

  • Step 1. Open the VELUX roof window

    Locate the data plate on the top right or left corner of the sash. It contains your window’s type and size:

    VELUX data plate with window code example

    Example above: VELUX window type is GGL, window size is MK04.

  • Step 2. Select these details on the product page

    Use the window type and size from the data plate to select the matching option from the dropdown list on the product page. That is all you need to ensure a perfect fit.

  • Fit Guarantee: we take full responsibility

    If you provided the correct code and the roller blind doesn’t fit, we will replace it at our expense or refund you.

Still not sure? Send us a photo of your window data plate: support@blindoshop.com

Where to find Size & Type?

We know that choosing the right size can be stressful. That's why we created a simple, guaranteed process that eliminates the risk. Do not measure your windows. Follow these simple steps instead:

  • Step 1. Open the VELUX roof window

    Locate the data plate on the top right or left corner of the sash. It contains your window's type and size:

    VELUX data plate with window code example

    Example above: VELUX window type is GGL, window size is MK04.

  • Step 2. Select these details on the product page

    Use the window type and size from the data plate to select the matching option from the dropdown list on the product page. That is all you need to ensure a perfect fit.

  • Fit Guarantee: we take full responsibility

    If you provided the correct code and the roller blind doesn't fit, we will replace it at our expense or refund you.

Still not sure? Send us a photo of your window data plate: support@blindoshop.com

Where to find Size & Type?

We know that choosing the right size can be stressful. That's why we created a simple, guaranteed process that eliminates the risk. Do not measure your windows. Follow these simple steps instead:

  • Step 1. Open the VELUX roof window

    Locate the data plate on the top right or left corner of the sash. It contains your window's type and size:

    VELUX data plate with window code example

    Example above: VELUX window type is GGL, window size is MK04.

  • Step 2. Select these details on the product page

    Use the window type and size from the data plate to select the matching option from the dropdown list on the product page. That is all you need to ensure a perfect fit.

  • Fit Guarantee: we take full responsibility

    If you provided the correct code and the roller blind doesn't fit, we will replace it at our expense or refund you.

Still not sure? Send us a photo of your window data plate: support@blindoshop.com