The TOSTEM GRANTS 4-panel 2-track corner sliding door is the optimal choice for spaces that prioritize natural light and panoramic views. Featuring four sliding panels on three tracks combined with an elegant concealed frame design, the system creates a seamless connection between indoor and outdoor spaces, resulting in an airy and luxurious environment.
Frame Structure & Concealed Sash Design
The product features an aluminum frame with a depth of 101.6 mm and a bottom frame height of 50 mm, delivering exceptional sturdiness while maintaining a refined, elegant appearance. The concealed sash design maximizes the glass surface area, expanding the view and enhancing...
Corner sliding door 4 panels 2 tracks Grants
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Feature
The TOSTEM GRANTS 4-panel 2-track corner sliding door is the optimal choice for spaces that prioritize natural light and panoramic views. Featuring four sliding panels on three tracks combined with an elegant concealed frame design, the system creates a seamless connection between indoor and outdoor spaces, resulting in an airy and luxurious environment.
Frame Structure & Concealed Sash Design
The product features an aluminum frame with a depth of 101.6 mm and a bottom frame height of 50 mm, delivering exceptional sturdiness while maintaining a refined, elegant appearance. The concealed sash design maximizes the glass surface area, expanding the view and enhancing the overall aesthetics of the building.
Interlocking Vertical Stile
The vertical stiles are engineered to interlock tightly, reducing gaps and enhancing sealing performance. As a result, sound insulation and thermal efficiency are significantly improved while keeping the door profile clean and modern.
Thick Glass – Safety & Energy Efficiency
The GRANTS 4-panel 2-track corner sliding door supports glass thickness up to 31.5 mm, accommodating safety, acoustic, or insulated glass options. This minimizes noise pollution, limits heat loss, and contributes to the building’s overall energy savings.
Synchronized L-Fit Hardware
The L-Fit hardware set is fully integrated—from handles and locks to mechanical components—ensuring consistent and precise operation. Its sleek design provides effortless operation while elevating the visual appeal of the entire door system.
Two-Tier Water Barrier & Drainage System
A two-tier drainage mechanism efficiently controls water flow, preventing back-seepage and keeping interior surfaces completely dry. This is a crucial feature that enables the product to perform exceptionally well in tropical climates.
International Standard Performance
The GRANTS 4-panel 2-track corner sliding door is tested according to rigorous international standards: Wind Pressure Resistance (ASTM E330): 2000 Pa, Water Tightness (ASTM E331-00): 300 Pa, Air Infiltration (ASTM E283): 10.7 m³/h·m², Sound Insulation (JIS): 25 dB. These parameters confirm the product’s superior durability and long-term stability.
Modern Architectural Solution
The flexible three-track system with four sliding panels allows the entire corner of a room to open up, harmoniously bringing nature into the living space. This design fulfills the demand for functionality, aesthetics, and longevity, making it ideal for high-end properties.
| Frame depth | 101.6 mm |
|---|---|
| 178 mm (Sliding 3 tracks) | |
| 120 mm (Sliding 2 tracks) | |
| Sill height | 50 mm |
| Glass thickness | Up to 31.5 mm |
Wind Pressure
ASTM E330
2000 Pa
Water tightness
ASTM E331-00:
300 Pa
Air tightness
ASTM E283:
10.7 m3 / h – m2
Sound insulation
JIS: 25 dB
Orther Product
