Minimal Sliding Glass Doors for Contemporary Designs
Enhance Your Home with the FD21 Minimal Sliding Glass Door
Ultra-Slim, Seamless Design
The FD21 Minimal Sliding Door redefines modern living, offering an effortless connection between indoors and out. With ultra-slim sightlines and expansive floor-to-ceiling glass panels, it maximises natural light, openness, and panoramic views. Designed for seamless integration, it creates an uninterrupted flow between architectural spaces, enhancing both aesthetics and functionality. The FD21 is a statement of refined minimalism, perfectly balancing performance, precision, and elegance to transform the way you experience your home.
Information
Dimensions
- Sightlines : 21 mm
- Max Leaf Weight : 600 kg
- Max Leaf Height : 5 m
- Max Area / Leaf : 12 m²
- Max Glass Thickness : 32-36 mm
Features
- Frame integrated handle
- Completely hidden frames
- 5 thermal breaks
- Needle bearing for smoother movement
Options
- Hidden Rail (HR21)
- Motorisation (1-4 leaves)
- Corner
- Curved Sliding Elements
- Fly Screen
- Multi-Point Lock
- Micro-ventilation
Performance
- Thermal Coefficient Uw : 1,1 W/m² K
- Sound Insulation : Up to 41 dB
- Water Tightness : Class 9A
- Air Tightness : Class 4
- Wind Tightness : Class C5

Highly flexible design
The FD21 Minimal Sliding Door offers a highly flexible design, accommodating up to 6 sashes on up to 3 rails. For a completely unobstructed transition, pocket solutions are available allowing the doors to disappear seamlessly into the wall. The system also enables striking opening corners at angles between 65º and 177º, without mullions, ensuring an uninterrupted flow of space and light.
Configurations











Track

FD21 Exposed Rail (standard)

FD21HR Hidden Rail (optional)

Security
The FD21 combines elegance and security, integrating exclusive multi-point locking systems for enhanced protection without compromising on aesthetics.
Each system features discreetly designed locking mechanisms, including a side lock integrated within the handle profile, as well as custom options for adjacent or alternating vents. Whether using gravity closing or magnetic activation, these solutions ensure smooth, effortless operation while maintaining a sleek, minimalist appearance.
For projects requiring cylinder locks on sliding openings, bespoke profile options are available to meet specific security needs. In addition to manual operation, motorised systems provide effortless handling, particularly for larger, heavier panels, ensuring both safety and convenience.
Designed to offer peace of mind without visual compromise, the FD21 delivers a seamless blend of performance, comfort, and refined aesthetics, setting a new standard for secure, minimalist sliding doors.
