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Feature
The TOSTEM NS Series Inswing Double Door is the perfect choice for projects seeking a balance of aesthetics, durability, and practical functionality. Featuring an inward-opening swing mechanism, this product optimizes outdoor space while delivering a wide, open walkway. It is an ideal solution for luxury hotels, villas, resorts, and high-end offices where convenience and complete safety are paramount.
Crafted from large-section aluminum profiles with a 55mm frame depth, the door delivers exceptional structural strength and stability. A 50mm bottom rail height creates balanced proportions, enhancing both visual appeal and load-bearing capacity. The premium hardware package—including a multi-point lock handle and high-quality security locks—ensures smooth, airtight, and long-lasting operation.
The two-panel inward-opening system creates an entryway twice as wide as a single door, ideal for high-traffic spaces. Opening inward also protects the door sashes from direct exposure to rain and sun, supports flexible ventilation, and enhances daily living comfort.
The door accommodates glass thicknesses ranging from 5mm to 10mm, catering to various thermal insulation and noise-reduction needs. Sound insulation of up to 30 dB effectively dampens external noise to maintain a quiet, private interior. The multi-point locking system distributes closing force evenly across the panels, guaranteeing a tight, secure seal and maximum protection.
With high wind load resistance and excellent water tightness, the TOSTEM NS Series Inswing Double Door performs reliably even under harsh weather conditions. Meeting strict technical criteria while elevating architectural aesthetics with its modern, luxurious styling, this door serves as a standout feature for prestige developments.
| Frame depth | 101.6 mm (Sliding 2 panel), 148.3 mm (sliding 3 panel) |
|---|---|
| 55 mm | |
| Height of sill | 50 mm |
| Glass thickness | 5, 6, 8, 10 mm |
| Glass Groove | 17 mm (Sliding, Swing door) |
| 16 mm (Awning, Casement and Fix) |

Wind
pressure
ASTM 330:
1600 Pa

Water
tightness
ASTM E331-00
240 Pa

Air
tightness
ASTM E283:
10.7 m3 / h – m2

Noise
insulation
JIS
(A4706 & A4702)
30 dB
(Excluding swing door)
Orther Product