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Feature
TOSTEM’s GRANTS 3-panel 2-track sliding door is developed with a design philosophy that prioritizes sleek minimalism and efficiency. A durable aluminum frame structure combined with a smooth sliding system expands broad views, optimizes floor space, and enhances the connection with natural daylight. It is an ideal choice for modern architectural projects seeking openness, elegance, and convenience.
Featuring a 101.6 mm basic frame profile and a 50 mm sill height, the door maintains outstanding structural rigidity. Thanks to precision surface treatment, the product is highly resistant to environmental factors while adding a refined aesthetic highlight to the living space.
The door accommodates glass thicknesses up to 31.5 mm, supporting options from safety glass to acoustic or thermal insulation glass. This not only enhances protection but also improves the living environment by keeping it quiet, cool, and energy-efficient.
Achieving a wind pressure resistance of 2000 Pa (ASTM E330) and a water tightness performance of 300 Pa (ASTM E331-00), the door ensures durability while preventing driving rain and draft infiltration. These features safeguard interior finishes, keeping indoor spaces dry and stable.
With an airtightness rating of 10.7 m³/h·m² (ASTM E283) and a sound insulation rating of JIS 25 dB, the GRANTS 3-panel 2-track sliding door helps reduce noise and minimize fine dust entry. This is a key advantage in creating a quiet, private, and relaxing living atmosphere.
Combining a flexible 3-panel sliding design with advanced manufacturing technology, the GRANTS 3-panel 2-track sliding door serves as an optimal solution for villas, townhouses, and high-rise apartments. The product elevates overall aesthetics while delivering complete convenience for daily living.
| Frame depth | 101.6 mm |
|---|---|
| 120 mm (2 tracks sliding) | |
| 178 mm (3 tracks sliding) | |
| Height of sill | 50 mm |
| Glass thickness | Up to 31.5 mm |

Wind
pressure
ASTM E331-00
240 Pa

Water
tightness
ASTM E331-00:
300 Pa

Air
tightness
ASTM E283:
10.7 m3 / h – m2

Noise
insulation
JS: 25 dB
Orther Product