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Smart Silver Rooflights – Premium Flat Roof Windows
Bring more light into your home or commercial space with our sleek, high-performance flat roof windows. At Direct Trade Windows, we supply and install the Aliver Rooflight flat roof window system by Smart—an elegant, fixed flat glazing system that blends minimalist design with practical performance. Whether you're creating a bright kitchen extension, enhancing a flat-roofed office space, or adding natural light to a hallway or atrium, our flat roof windows offer a refined solution with a modern architectural finish.
With their clean sightlines, marine-grade aluminium construction, and seamless integration, the Aliver Rooflight flat roof windows complement both traditional and contemporary properties. Installed by our experienced team and built to last, they’re a dependable option for clients who value thermal performance, light transmission, and understated design. Combine our flat roof windows with our range of aluminium windows or sliding doors for a cohesive, high-spec finish to your glazing package.
Why Choose Our Flat Roof Windows?
● Modern, unobtrusive design: Complements any architectural style
● Made to measure: Manufactured in-house for precise fit and seamless installation
● Perfect for flat roof windows in extensions: Kitchens, lofts, hallways, commercial spaces, and more
● Compatible finishes: Match with windows and doors in any RAL colour
● Expert installation: Delivered and installed with full technical support from our team
Technical Specification
- Type: Fixed flat rooflight for residential and commercial applications
- Frame Material: Slimline aluminium with concealed fixings
- Thermal Performance: U-value of 1.4 W/m²K using 1.0 W/m²K centre pane glazing
- Glazing Options: Suitable for 28.8mm to 29mm double or triple glazed sealed units
- Noise Reduction: Enhanced acoustic insulation through sealed glazing design
- Installation: Fast and simple with replaceable glazing unit (frame remains in place)
- Finish: Marine-grade powder-coated aluminium in single or dual RAL colours
- Rectangular Size Limits: Max Length: 2000mm | Max Width: 1000mm
- Square Size Limits: Max Width & Length: 1500mm x 1500mm
- Standards Compliance: Glazing must meet BS EN 1991-1-1 & CWCT standards (TN61–TN69)
Colours
White aluminium frame colour finish sample.
Matt white aluminium frame colour finish sample.
Matt brown aluminium frame colour finish sample.
Jet black aluminium frame colour finish sample
Grey aluminium frame colour finish sample.
Gloss white aluminium frame colour finish sample.
Gloss off white aluminium frame colour finish sample.
Dark red aluminium frame colour finish sample.
Dark grey aluminium frame colour finish sample.
Dark green aluminium frame colour finish sample.
Dark brown aluminium frame colour finish sample.
Dark blue aluminium frame colour finish sample.
Cream aluminium frame colour finish sample.
Black aluminium frame colour finish sample.
Anthracite grey aluminium frame colour finish sample.
Airforce grey aluminium frame colour finish sample.
Glass
Unglazed aluminium window frame with angled top.
Standard self-clean glass panel with clear finish.
Standard toughened glass panel with clear finish.
Clear solar control glass panel for improved comfort and energy efficiency.
Self-cleaning glass panel designed to break down dirt and reduce cleaning frequency.
Self Clean Solar Control panel combining dirt-repelling and heat-reducing technology.
Satin obscure glass panel with smooth frosted finish.
Laminated security glass panel with clear finish.
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Flat Roof Windows FAQs
Get a Free QuoteWhat are Flat Roof Windows, and where are they suitable?
Flat Roof Windows are sleek, modern windows that bring subtle lighting and minimalist design to various spaces. They are suitable for both residential and commercial use, including orangeries and conservatories.
What are the key features of your Flat Roof Windows?
Our Flat Roof Windows offer matching designs in bronze, silver, red, blue, and green options. Thanks to in-house manufacturing, we provide quick lead times, and they have excellent energy efficiency with U-values as low as 1.4 W/m²K.
Tell me about the Smart Aliver Rooflight System.
The Smart Aliver Rooflight System is a high-performance, high-quality fixed flat roof solution. It features an elegant aluminium frame, concealed fixing system for easy installation, and the ability to replace the glazing unit without removing the frame.
What are the size options for Flat Roof Windows?
Our Flat Roof Windows come in rectangular and square options. The rectangular windows have a maximum length of 2000mm and a maximum width of 1000mm, while the square windows have a maximum length and width of 1500mm.
How do Flat Roof Windows contribute to energy efficiency?
Flat Roof Windows offer excellent energy efficiency with a U-value of 1.4 W/m²K. The thermally-broken aluminium profile and double glazed units provide thermal insulation, making them an energy-efficient choice.
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