VELUX Fixed Flat Roof Base - White
Best current price£512.04from Travis Perkins
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Product Information
Full details
This VELUX Fixed Flat Roof Base Unit is ideal for homeowners and builders looking to enhance interior spaces with natural light in flat roof constructions (0-15° pitch). Its primary benefit is maximizing daylight penetration while offering excellent energy efficiency and security. A key consideration is that it requires a separate top unit for complete installation. The unit features a white PVC frame, laminated inner pane, advanced ThermoTechnology™ insulation, and low-energy glazing, contributing to reduced heat loss and exterior noise, along with burglary resistance. The structural opening size is 900mm x 900mm.
All features
| Colour | White |
|---|---|
| Model Part Number | CFP 090090 0073QV |
| Brand | VELUX |
Extended Product Information
FAQs
What is the structural opening size required for this base unit?
The required structural opening size for the VELUX Fixed Flat Roof Base Unit CFP 090090 0073QV is 900mm x 900mm.
Does this base unit include a top cover?
No, this is a base unit only. A separate VELUX top unit (flat, curved, or domed) must be purchased and installed to complete the window system.
What is the minimum roof pitch for this unit?
This unit is designed for flat roof installations with pitches ranging from 0° to 15°.
Is this unit suitable for ventilation?
No, this is a fixed skylight window base unit and does not provide ventilation. An opening top unit would be required for ventilation.
How do I clean the white PVC frame?
The white PVC frame is maintenance-free. Clean it with a soft, damp cloth and mild soap if necessary. Avoid abrasive cleaners.
What certifications does this product have?
The product holds CE, EUTR, REACH, and FSC certifications.
Can I install blinds with this base unit?
Yes, this base unit is compatible with all VELUX internal blind systems designed for flat roof windows.
Troubleshooting
Unit appears to be leaking.
Check that the top unit is correctly installed and sealed to the base unit. Inspect the roof flashing and surrounding roofing materials for any damage or gaps. Ensure drainage pathways are clear.
Condensation forming on the glass.
Some condensation is normal, especially in humid conditions or during temperature changes. Ensure adequate ventilation within the building. If excessive, check that the seals are intact and the unit is properly installed.
Difficulty installing the top unit.
Refer to the specific installation manual for the chosen top unit and the base unit. Ensure the structural opening and base unit are correctly sized and positioned. Professional installation may be required.
Reduced daylight compared to expectations.
Verify that no external obstructions are blocking light. Ensure the interior of the unit and any blinds are clean and fully retracted. Confirm the correct top unit (e.g., clear vs. obscured) was selected.
Pros and Cons
Pros
- Significantly increases natural light in rooms with flat roofs.
- High energy efficiency due to advanced insulation and glazing.
- Durable and maintenance-free white PVC construction.
- Enhanced safety with laminated inner pane and burglary-resistant design.
- Quiet indoor environment due to noise reduction features.
- Flexible integration with various VELUX accessories and top units.
Cons
- Requires a separate top unit (flat, curved, or domed) to be fully functional.
- Fixed design does not allow for ventilation.
- Suitable only for flat roof installations with pitches between 0-15°.
- The structural opening size of 900mm x 900mm must be precise.
- Professional installation may be recommended for optimal performance and sealing.
Setup, Compatibility & Care
Setup: The VELUX Fixed Flat Roof Base Unit is designed for self-flashed installations. It requires a structural opening of 900mm x 900mm. Minimum installation compartment dimensions are 108 cm x 108 cm. Ensure the roof pitch is between 0-15°. A separate VELUX top unit (flat, curved, or domed) and any desired internal blinds must be purchased and installed according to the manufacturer's instructions for a complete, weather-tight system.
Compatibility: This base unit is universally compatible with all VELUX flat roof top covers (e.g., fixed, opening, CVP, CFP) and all VELUX internal blind systems designed for flat roof windows. This allows for extensive customization to meet specific needs for light control, aesthetics, and functionality.
Care: The white PVC frame is maintenance-free. Cleaning can be done with a soft, damp cloth and mild detergent if necessary. Avoid abrasive cleaners or solvents that could damage the finish. Ensure drainage channels, if present, are kept clear of debris to prevent water accumulation.