FD21 Minimal Sliding 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 Insolation : Up to 41 dB
- Water Tightness : Class 9A
- Air Tightness : Class 4
- Wind Tightness : Class C5

Sleek, stylish, and modern
Embrace the essence of minimalism without compromising on functionality. Fluidesign21 offers a versatile range of minimalist sliding solutions that flawlessly combine large glazed areas for outdoor openings with top-notch performance and user comfort. Welcome the maximum amount of natural light and maintain a seamless connection between your interior and exterior, all while enjoying significant thermal insulation.

Minimal design, maximum light
Our minimalistic sliding window system, featuring a slim 21mm sightline, is designed to maximise light and breathe more life into your spaces. Whether it’s the standard exposed rail (FD21) or the optional hidden rail (FD21HR), our system epitomises minimalism, contributing to the harmonious aesthetics of your property.

Weatherproofed for peace of mind
Engineered and rigorously tested to withstand the harshest weather conditions, Fluidesign21 ensures that your home remains a sanctuary of comfort regardless of the climate outside.


Effortless operation, enduring performance
Incorporating stainless steel wheels and ceramic bearings, our sliding doors guarantee smooth and effortless operation. The sleek and elegant style achieved by our slim frameworks and minimalist designs not only enhances the aesthetics of your home but also its functional efficiency.


Customisation at your fingertips
Choose from our range of popular colours or customise to match your unique style. Extend your living space effortlessly with the promise of quality, durability, and elegance that comes with every Fluidesign21 minimalistic sliding window.

Thermal efficiency and noise reduction
With glazing thickness up to 36mm and low U-value glazing, our system not only offers superior thermal efficiency but also exceptional noise reduction capabilities, ensuring that your home remains a tranquil haven.