A sliding door is a door system that opens horizontally by gliding along a track, rather than swinging open. It typically includes one or more glass panels, top and bottom tracks, and smooth-rolling mechanisms. Compared to hinged or folding doors, sliding doors save space, offer seamless operation, and feature large glass panes for a sleek, modern look and abundant natural light.
Space-efficient design
Smooth sliding operation
Large glass for natural light
Energy-efficient
Solid security
Sliding Door System | Visible Surface | Section Profile Thickness | Size Range | Glass Thickness | Maximum Load-Bearing | |
190 Series | Glass Sash|Narrow Sash Width | Wall Thickness | Frame Thickness | 3000mm*2500mm | 6+12A+6 6+12A+6+12A+6 | 500kg |
68mm|32mm | 3.0mm | 190mm | ||||
Aluminum Sliding Door | Visible surface | Section Profile Thickness | Size range | Glass Thickness | Maximum load-bearing | |
120 Series | Glass sash | Wall Thickness | Frame Thickness | Width|Height(mm) |
5+9+5 |
140kg |
90mm | 2.0mm | 116mm | 2500|3000 | |||
Frame
Color
Glazing types
Hardware
Size
Track System
Optimize your sliding doors with high-quality accessories designed for effortless movement, enhanced stability, long-lasting durability, and reliable performance across all sliding door systems.
To ensure your sliding door performs efficiently, start by checking smooth operation—open and close the door several times to confirm it glides without sticking or jerking. Next, test the lock engagement to verify it secures fully with proper alignment. Conduct air and water infiltration tests if the door faces external conditions—look for drafts, leaks, or light passing through seals. Finally, examine the frame alignment by inspecting the level and plumb of the door and track system. Any misalignment can affect sealing, security, and smooth function.
| Feature | Sliding Doors | Swing/Hinged Doors | Folding Doors |
|---|---|---|---|
| Space Use | Excellent for tight spaces | Requires swing clearance | Space-saving with wide opening |
| Aesthetics | Modern and sleek look | Classic and versatile style | Stylish and flexible design |
| Functionality | Easy glide, good for patios | Great insulation and security | Ideal for large openings |
| Installation | Simple but track-dependent | Easiest to install | More complex setup |
| Maintenance | Track/roller cleaning needed | Minimal upkeep | Hinges and seals require care |
| Security | Less secure unless reinforced | High security with locking options | Moderate—depends on lock quality |
| Insulation | Moderate; may not seal tightly | Excellent air and sound insulation | Decent, but less than hinged |
| Accessibility | Easy to slide, accessible | Varies based on size/handle height | May be trickier for some users |
| Cost | Moderate to high | Low to moderate | Moderate to high |
Yes, modern sliding doors can be very secure when equipped with quality locking systems and reinforced glass. Additional security bars or locking pins can also enhance protection.
Standard sliding doors may have moderate insulation, but options with double or triple glazing and thermal breaks can significantly improve energy efficiency.
Regularly clean the tracks and rollers to prevent debris buildup. Lubricate moving parts and check alignment to ensure smooth operation.
Absolutely. Sliding doors are great for space-saving room dividers, closets, or bathrooms, especially in modern or minimalist designs.
Sliding doors are commonly made from aluminum, uPVC, or wood, often combined with glass panels to allow natural light.
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