GS15 Sliding Door
GS15 Sliding Door
The UK's slimmest sliding door provides the smallest possible amount of visible frame and maximum amount of glass. Unique to Glideline, the GS15 sliding door will transform your project with the most minimalist sliding door. Hidden hardware, smooth-sliding wheels, outstanding thermal performance and beautiful craftsmanship. Flexibile configurations, glass options and colours. The ultimate statement in modern glazing.
15mm Consistent Sightline
1.2 W/m2K
Hidden Hardware
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mm x mm
1. Width: Measure horizontally across the opening from edge to edge at the top, middle, and bottom. Use the smallest measurement.
2. Height: Measure vertically from top to bottom on the left, center, and right sides. Use the smallest measurement.
1 pane
1. Width: Measure horizontally across the opening from edge to edge at the top, middle, and bottom. Use the smallest measurement.
2. Height: Measure vertically from top to bottom on the left, center, and right sides. Use the smallest measurement.
Grey
1. Width: Measure horizontally across the opening from edge to edge at the top, middle, and bottom. Use the smallest measurement.
2. Height: Measure vertically from top to bottom on the left, center, and right sides. Use the smallest measurement.
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Overview
Ultra-Slim 15mm Interlock
The GS15 is designed with the world's smallest 15mm central interlock. You benefit from a near-frameless and ultra-minimalist appearance, framing your view outdoors and filling a room with light and a feeling of space.
Exclusive Flush Stacking
Unique to our sliding doors is the flush stacking facility. Doors stack neatly together when open, they look better and give you more of your available opening.
Impressive Thermal and Acoustic Performance
With U-values of just 1.2 W/m2K the GS15 provides fantastic thermal performance and meet current Building Regulations. Acoustics are equally impressive, cutting as 41 dB noise out of the home. GS15 sliding doors are thermally efficient and help keep homes quiet.
Hidden Frame for a Frameless Look
The hidden frame option creates a near-frameless appearance with virtually no visible frame and a complete moving wall of glass. Perfect for contemporary homes and wow-factor sliding doors.
Fully Flush Threshold for minimalism and accessibility
Engineered integrated floor track creates a fully flush threshold, creating a smooth, seamless flow between indoor and outdoor spaces with full weather protection. Elegant, functional and designed for accessibility.
Multi Track Options
With 2, 3 or even 4 tracks, GS15 accomodates large openings and lets you choose which panel to slide, either left or right. Suitable for dwellings or light commercial applications.
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Ultimate Minimalist Design
The GS15 Sliding Door redefines slimline design with an industry-leading 15mm interlock, delivering truly uninterrupted views. Exclusive to Glideline, this minimalist, almost frameless system blends effortlessly into both modern and traditional spaces, adding a sleek, architectural edge.
Expansive glass panels fill your home or building with natural light, creating a bright, open feel. Designed and engineered by Glideline, the GS15 isn’t just a door—it’s a bold statement in design, performance, and contemporary living.
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Suitable for existing or new build projects
Replace any dated sliding door with a premium slimline sliding door solution or bring new build projects to life with the virtually invisible frame and maximum use of glass.
Expertly-crafted with the best possible product quality and attention to detail, GS15 sliding doors have the smoothest sliding action and transitional movement, even on large and heavy panels.
"The GS15 Sliding Door — Exclusively Designed to Create Extraordinary Spaces "
The GS15 Sliding Door sets a new benchmark for modern living. Designed and crafted exclusively by Glideline, it brings you the slimmest 15mm sightlines, effortless movement, unique features, excellent specifications and high performance. Its near-invisible frame, hidden hardware and maximum use of tlass create light, space, and pure architectural elegance.
For those looking to offer something beyond standard slim sliding doors, GS15 is special. Discover how the GS15 can bring new life to your residential or commercial project.
Options
Handle colours
Technical specifications
General
Configurations: 2 Track 3 Track Quad Track
Sightlines: Interlock: 15mm
Glazing: Max: 30mm Min: 26mm (Double Glazed)
Maximum Sash Dimensions: Width L 2000mm Height (H) : 2500mm
Maximum Sash Weight: 320kg
Test data
U value from 1.2 (W/m2K)
Maximum acoustic insulation 41Db
Air permeability (EN 12207): Class 4* (600Pa)
Water tightness (EN 12208): Class 7A* (300Pa)
Wind resistance (EN 12210): Class C5* (2000Pa)
Colour Finishes
Available from Glideline
Powder Coating RAL Finish
Standard 7016M and 9005M, 9010G
Available in 150+ RAL finishes
Textured finish available
Split colour for interior/exterior
Anodized aluminium
Class 15; 15-19 micrometer coating for external use as standard
Class 20; 20-24 micrometer coating for use in aggressive conditions, industrial areas and marine pollution
Silver brushed, silver rough brushed, bright silver, matte silver, brushed steel, rough brushed steel, brushed champagne re-polished, bright gold, rough brushed inox re-polished, brushed stainless steel, rough brushed ivory re-polished, brushed bronze, rough brushed bronze and re-polished, rough brushed copper re-polished, rough brushed Bordeaux re-polished, rough brushed green, rough brushed blue re-polished, rough brushed grey re-polished, matte black
Reviews
Glideline installed 6 sets of sliding doors in our house. This was a major investment for us so we wanted it to be just right. David and all the team were friendly and helpful from start to finish. Henry was great.
Thank you to the installers Joe and Luke for their hard work. It wasn't easy going up all the stairs but they were happy doing so and I couldn't be happier with the doors. Also Henry has been fantastic from sta…
FAQs
What makes the GS15 the world’s slimmest sliding door?
The GS15 features an ultra-slim 15mm interlock, creating uninterrupted, panoramic views with minimal aluminum framing. This makes it the slimmest sliding door system available today while maintaining strength and durability.
What glazing options are available?
The GS15 supports double glazing with thicknesses ranging from 26mm to 30mm, ensuring excellent thermal and acoustic insulation.
Can the GS15 be used for corner or pocket door installations?
Yes! The GS15 supports movable corner posts, frameless bonded corners, and pocket door configurations, allowing customized, seamless openings.
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