Velux Fixed Flat Roof Base - 900mm x 1200mm - White
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Product Information
Full details
The VELUX Fixed Flat Roof Window Base Unit is designed for property owners and builders seeking to enhance interior spaces with natural light in flat roof constructions. Its key benefit is providing excellent natural illumination and superior thermal performance, while a primary consideration is its suitability for specific roof pitches. This maintenance-free unit offers a highly insulated PVC construction, advanced ThermoTechnology™ insulation, and a burglary-resistant design for enhanced safety and reduced energy costs. It features a 900 x 1200mm structural opening and is compatible with various VELUX top covers and blinds.
All features
| Colour | White |
|---|---|
| Model Part Number | CFP 090120 0073QV |
| Brand | Velux |
Extended Product Information
FAQs
Does this product open for ventilation?
No, the VELUX Fixed Flat Roof Window Base Unit is a non-opening, fixed window. Ventilation requires a separate compatible VELUX operable flat roof window or system.
What is the warranty period for this product?
VELUX products typically come with a manufacturer's warranty. Please refer to the official VELUX warranty documentation for specific details regarding the Fixed Flat Roof Window Base Unit, as terms can vary by region and purchase date.
Can I install this on a pitched roof?
This base unit is specifically designed for flat roof installations with pitches between 0-15°. It is not suitable for steeper pitched roofs.
What is included with the base unit?
The base unit includes the insulated PVC frame and the structural opening. It does not include the top cover (glass or rigid), blinds, or flashing materials, which must be purchased separately.
How do I determine the correct top cover for my installation?
Ensure the top cover is listed as compatible with VELUX flat roof base units. Factors like desired insulation, impact resistance, or specific aesthetic might influence your choice. Consult the VELUX website or a product specialist.
Is professional installation required?
Yes, professional installation by a qualified tradesperson experienced with flat roof window systems is strongly recommended to ensure proper sealing, weatherproofing, and structural integrity.
Troubleshooting
Window does not provide sufficient light
Ensure the interior space is free of obstructions. Verify that the correct VELUX top cover is installed, as some may affect light transmission. Clean the exterior glass surface.
Condensation on the glass
Condensation can occur due to high indoor humidity. Ensure adequate ventilation in the room. If condensation is between panes, there may be a seal failure; contact a VELUX professional.
Difficulty installing blinds
Confirm that the installed blinds are specifically designed for VELUX flat roof windows. Ensure the window frame is clean and free of obstructions where the blind mechanism attaches. Refer to the blind's installation manual.
Frame appears damaged or worn
The PVC frame is designed for durability and low maintenance. If visible damage occurs, contact VELUX customer support or a certified installer for assessment and potential repair or replacement advice.
Pros and Cons
Pros
- Excellent thermal insulation reduces heating costs.
- Durable, low-maintenance PVC construction.
- Enhanced safety features with laminated inner pane and burglary resistance.
- Broad compatibility with VELUX accessories for customization.
- Increases natural light in interior spaces.
Cons
- Fixed unit; does not open for ventilation.
- Limited to roof pitches between 0-15 degrees.
- Requires compatible VELUX top cover for weatherproofing.
- Installation requires specific knowledge of flat roof systems.
Setup, Compatibility & Care
Setup: This base unit requires a structural opening of 900 x 1200mm. Installation should be performed by a qualified professional experienced with flat roof systems. It is designed for roof pitches between 0-15° and must be integrated with a compatible VELUX top cover (sold separately) for complete weatherproofing and functionality. Ensure all sealing and flashing are installed according to VELUX guidelines to prevent leaks.
Compatibility: The base unit is compatible with all VELUX flat roof top covers, including glass and rigid options. It also works with the comprehensive range of VELUX internal blinds, such as blackout blinds, Venetian blinds, and roller blinds, allowing for customized light control, privacy, and aesthetic appeal.
Care: The durable PVC construction is maintenance-free. Cleaning the exterior and interior surfaces can be done with a soft, damp cloth and mild detergent. Avoid abrasive cleaners or solvents that could damage the PVC finish. Regularly inspect the seals and surrounding roof area for debris or potential issues.