# Flat Frameless Rooflights – InfiniLIGHT

> Source: https://arkaywindows.com/flat-frameless-rooflights-infinilight/
> Author: Lukasz
> Published: 2025-08-28T15:27:35+00:00
> Modified: 2026-06-25T15:10:41+00:00

Infinilight flat roof lights with slim aluminium frames and large glass panels. Premium rooflight systems manufactured by Arkay Windows.

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# InfiniLIGHT
Flat Frameless Rooflights


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### Let the Sky Flood In with Frameless Elegance


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# InfiniLIGHT Frameless Rooflight


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### Let the Sky Flood In with Frameless Elegance


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The **InfiniLIGHT®** is Arkay’s premium flat rooflight solution, designed to maximise daylight with its **frameless internal finish** and **flush-glazed external profile**. Built with **structurally bonded glazing** and a fully thermally broken aluminium frame, it achieves **U-values from 1.0 W/m²K**, making it one of the most efficient rooflights on the market.


InfiniLIGHT is a registered trade mark of Arkay Windows Ltd, registered in the UK under trademark number no: UK00003550213.


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text_content="Frameless Design. Exceptional Performance." text_direction="default"][/split_line_heading][vc_column_text css="" text_direction="default"]
The InfiniLIGHT® roof light blends contemporary frameless design with outstanding thermal performance, durability, and a beautifully refined finish—making it a sought-after choice for projects.


Available in double or triple glazing, it sits seamlessly within a slim aluminium frame. Pitched at 5° to prevent moisture build-up, it offers a low-maintenance solution that enhances natural light while maintaining long-term performance.


Its clean, minimalist aesthetic complements a wide range of architectural styles, creating a striking focal point that opens up interiors and enhances the sense of space. Lightweight yet robust, it features self-cleaning, solar-reflective glass—helping retain warmth in winter and reduce glare in summer.


For added practicality, motorised openable options are also available, allowing for easy ventilation at the touch of a button—ideal for improving airflow and comfort within the space.


Perfect for modern extensions such as orangeries and conservatories, the InfiniLIGHT® delivers a sophisticated balance of style, performance, and versatility.


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### Dimensions







PROFILE HEIGHT
102 mm



GLAZING THICKNESS
24mm-60mm



MINIMUM FALL
5 Degrees



MAXIMUM FALL
25 Degrees



GLAZING METHOD
Structurally bonded









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### Size Limits






MAXIMUM LENGTH
3000mm (Larger Available on Request)



MAXIMUM WIDTH
2000mm (Larger Available on Request)



MAXIMUM WEIGHT
1000 kg







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### Performance






U-VALUE
From 1.0 W/m²K



AIR PERMEABILITY
BS EN 1026: 2000



WATER TIGHTNESS
BS EN 1027: 2000



WIND RESISTANCE
BS EN 1221-1: 2000







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### Download brochure


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### Download brochure


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# FAQ


[/nectar_responsive_text][divider line_type="No Line" custom_height="33px"][toggles style="minimal" accordion="true" accordion_starting_functionality="closed"][toggle color="Extra-Color-3" heading_tag="h4" heading_tag_functionality="default" title="What makes InfiniLIGHT different from InfiniLANTERN?"][nectar_responsive_text inherited_font_style="default" font_size_min="14px" font_size_max="20px" font_size_desktop="1.1vw" font_line_height="1.6" text_direction="default"]
InfiniLIGHT® is a **flat frameless rooflight**, while InfiniLANTERN® is a pitched lantern. InfiniLIGHT is ideal for contemporary flat-roof applications.


[/nectar_responsive_text][/toggle][toggle color="Extra-Color-3" heading_tag="h4" heading_tag_functionality="default" title="What sizes are available?"][nectar_responsive_text inherited_font_style="default" font_size_min="14px" font_size_max="20px" font_size_desktop="1.1vw" font_line_height="1.6" text_direction="default"]
Standard sizes up to **3000mm x 2000mm**, with larger bespoke options available on request.


[/nectar_responsive_text][/toggle][toggle color="Extra-Color-3" heading_tag="h4" heading_tag_functionality="default" title="Is it energy efficient?"][vc_column_text css="" text_direction="default"]
Yes. With **U-values from 1.0 W/m²K** and a fully thermally broken frame, it outperforms many traditional rooflights.


[/vc_column_text][/toggle][toggle color="Extra-Color-3" heading_tag="h4" heading_tag_functionality="default" title="Can it be walked on?"][nectar_responsive_text inherited_font_style="default" font_size_min="14px" font_size_max="20px" font_size_desktop="1.1vw" font_line_height="1.6" text_direction="default"]
Yes. A **walk-on glazing option** is available, making InfiniLIGHT suitable for use on balconies or roof terraces.


[/nectar_responsive_text][/toggle][toggle color="Extra-Color-3" heading_tag="h4" heading_tag_functionality="default" title="Can it open for ventilation?"][nectar_responsive_text inherited_font_style="default" font_size_min="14px" font_size_max="20px" font_size_desktop="1.1vw" font_line_height="1.6" text_direction="default"]
Yes. A **motorised opening version** is available, providing natural ventilation alongside daylight.


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