With an frameless 21 mm interlock, concealed frame design and exceptional weather ratings, GLIDE21 delivers a clean, contemporary aesthetic ideal for premium residential and commercial applications.
This system is engineered for flexibility, offering both thermal and non-thermal versions, a choice of threshold options and customisable finishes — all backed by Arkay’s 50 years of specialist fabrication expertise.
GLIDE21 is engineered for absolute clarity and openness, featuring a slim 21 mm interlock and just ~35 mm of visible frame when closed. The fully concealed outer frame and hidden sash create the impression of a continuous frameless glass wall — perfect for modern architecture and premium refurbishments.
With its expansive glass areas and discreet sightlines, GLIDE21 allows natural light to flood in while delivering wide, panoramic views. It’s an ideal solution for projects aiming to enhance internal brightness, visual impact, and a seamless indoor-outdoor transition.
Whether it’s a contemporary new-build, a high-end refurbishment, or a commercial landmark, GLIDE21’s minimal frame design integrates beautifully into:
Luxury homes, villas, and penthouses
Modern extensions and glazed links
Hotels, restaurants, and boutique retail spaces
With multiple interlock options and flexible panel configurations, GLIDE21 provides both design freedom and architectural precision.
| Specification | Value |
|---|---|
| Max glass thickness | Up to 32 mm |
| Max sash width | 3000 mm |
| Max sash height | 3000 mm (up to 3500 mm depending on configuration) |
| Max sash weight | 350 kg (standard) / up to 450 kg |
| Air permeability | Class 4 / 600 Pa |
| Water tightness | Class 9A / 600 Pa |
| Wind load resistance | Class B5 / 2000 Pa |
| Durability | Rollers tested to 25,000 cycles |
GLIDE21 is engineered for trade professionals who need a slimline, structurally robust and visually striking sliding system suitable for:
High-end residential homes
Penthouses and rooftop developments
Luxury hospitality spaces
Modern commercial buildings
Extensions and refurbishments aiming to maximise light
Its multi-panel flexibility means installers can confidently specify GLIDE21 for a wide variety of layouts, including large openings and bespoke glazing arrangements.
GLIDE21 features an frameless 21 mm interlock, with an optional 31 mm variant. When the system is closed, the visible frame is only around 35 mm, delivering a clean, frameless aesthetic ideal for modern architectural designs.
The system supports generous panel sizes with standard sash widths and heights up to 3000 mm, and heights up to 3500 mm depending on configuration. Maximum sash weight is 350 kg, or up to 450 kg for enhanced specifications.
Yes. Glide21 offers strong weather and structural performance, including Class 4 air permeability, Class 9A water tightness, and B5 wind load resistance (2000 Pa) — making it suitable for coastal, high-rise or open-site installations.
Glide21 can be supplied with flush or low-threshold configurations, allowing installers to achieve seamless indoor–outdoor transitions or improved accessibility where required.
Yes. Glide21 is available in thermally broken and non-thermal variants, making it equally suitable for external openings, internal partitions, and commercial applications where different performance levels are needed.
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