Aluminium Roof Windows

Shaanxi SGL Doors&Windows Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of aluminium roof windows in China, also supports customized service. Please feel free to wholesale high quality aluminium roof windows for sale here from our factory. If you have any enquiry about pricelist and quotation, please feel free to email us.

Aluminium roof windows-also known as aluminium skylight windows-are specially designed to bring daylight and fresh air into spaces under pitched or flat roofs.
They are built with strong aluminium frames, double or triple glazing, durable sealing systems, and high-quality ventilation mechanisms. These windows improve indoor comfort, reduce energy consumption, and enhance architectural aesthetics.
Optional electric opening systems, rain sensors, and insect screens are available to suit different installation environments.

✔ Excellent Daylighting
Maximize daylight penetration, reducing the need for artificial lighting.

✔ Superior Thermal & Sound Insulation
Double/Triple glazing minimizes heat transfer and outdoor noise.

✔ Waterproof & Weatherproof
Multi-layer sealing keeps your roof leak-free during heavy rain.

✔ Durable Aluminium Frame
Aluminium resists rust, deformation, and harsh climate conditions.

✔ Ventilation Control
Manual or electric opening supports fresh air circulation.

✔ Modern Aesthetic

Attics / Lofts - Ideal for lighting and ventilation

Duplex homes - Bring natural brightness to upper floors

Sloped roof houses - Perfect skylight installation

Kitchens & bathrooms - Improve airflow and moisture control

Commercial roofing - Offices, studios, cafes, galleries

Confirm roof type and slope(The normal slope is 18°, and the optimal slope is between 35° and 53°.)

Choose the right glazing (double/triple/Low-E)

Decide manual or electric operation

Consider ventilation vs. fixed design

Select durable aluminium frames

Lighting Needs Determine Skylight Size

• Lighting Factor: A professional concept in architectural lighting is the "window-to-floor ratio," which is the ratio of window area to indoor floor area. For rooms requiring good natural light, this ratio is typically between 1:5 and 1:10. You can first measure the area of ​​the space where you need a skylight, and then estimate the total required skylight area based on this ratio.
• Space Use: Different spaces have different skylight needs.
• Storage Room/Small Study: Small skylights of 60cm x 120cm or 70cm x 140cm are suitable, providing basic lighting.
• Bedroom/Living Room: It is recommended to choose a size of 70cm x 140cm or larger, or even larger, to obtain a more open view and more light.
• Basement: Lighting needs are higher, and skylight sizes are usually larger, such as extra-large sizes like 3200mm x 5500mm, but these require professional customization.

Structural Safety and Installation Points

• Avoid Load-Bearing Structures: Before drilling, be sure to confirm the location of roof beams and columns, and leave at least 20-30cm away from the ridge or main beam to avoid damaging the load-bearing structure.
• Allow Installation Space: When actually measuring the roof, it is recommended to leave an extra 2-3cm in each direction based on the calculated dimensions for easy installation and later decoration.
• Waterproofing is Paramount: The waterproofing of the skylight directly affects whether it will leak later. Be sure to choose skylight products with professional waterproofing designs, such as models with built-in drainage channels and multi-layer sealing structures. During installation, ensure the construction team is experienced and properly waterproofs the joints between the window frame and the roof.
• Consider Opening Method: If ventilation is needed, choose center-hung or top-hung skylights, as they have good sealing and are easy to clean. If only lighting is required, fixed skylights are cheaper and offer the best sealing.

Finally, it is strongly recommended to communicate with a professional skylight designer or installation team before finalizing a plan. They can provide the most suitable size and type recommendations based on your home's specific structure, orientation, and budget.

Ensure accurate measurements before placing an order.
For high-rainfall areas, choose higher waterproof ratings.
Clean the glass and frame regularly for best performance.
Consult us for professional roof opening structure advice.

Hot Tags: aluminium roof windows, China aluminium roof windows manufacturers, suppliers, factory, black aluminium sash windows, single hung aluminum windows, charcoal grey aluminium windows, aluminum sunroom windows, Aluminum Clad Windows, aluminium glass sliding window