Sliding Window 4 panels on 2 tracks NS

The TOSTEM NS Series 4-Panel 2-Track Sliding Window is a high-end aluminum and glass solution engineered specifically for projects demanding superior aesthetics and optimal operational performance. Featuring large-profile aluminum extrusions combined with a robust frame, it creates a luxurious overall aesthetic while maximizing daylight area and elevating interior space value. It is ideally suited for private villas, luxury hotels, and high-end resorts.

Robust Frame Structure and High Wind Resistance

The vertical stiles of the sliding door are engineered to withstand heavy wind loads, meeting international ASTM and JIS standards. The thick 6063-T5 heat-treated extruded aluminum frame limits vibration, maintains long-term structural integrity, and guarantees safety even under severe weather conditions or in coastal high-rise developments.

Systemized Hardware for Enhanced Security and Convenience

The NS 4-panel 2-track sliding window comes equipped with a multi-point lock handle, an opening restrictor, and an easily adjustable outer sash latch. This integrated hardware system enhances safety, minimizes operational risks, and ensures smooth opening and closing. High-grade safety locks provide robust security, meeting the strict standards of luxury projects. Built with 100% factory-matched TOSTEM hardware and premium double gaskets, it achieves a tight seal that improves soundproofing and weatherproofing.

Superior Weatherproofing, Air Tightness, and Sound Insulation

The NS 4-panel 2-track sliding window delivers exceptional technical performance, featuring ASTM E330 wind load resistance up to 1600 Pa, ASTM E331-00 water tightness at 240 Pa, and ASTM E283 air tightness at 10.7 m³/h·m². Certified under JIS standards for sound insulation up to 30 dB, it dampens external noise to create a quiet, private sanctuary suitable for premium residential and resort spaces.

Technical Specifications and Glazing Options

The window system features a frame depth of 101.6 mm for sliding configurations and 55 mm for other structural types, with a bottom rail height of 50 mm that delivers balanced proportions and structural strength. It supports glass thicknesses of 5 mm, 6 mm, 8 mm, and 10 mm. The glass rebate is designed at 17 mm for sliding and swing configurations, and 16 mm for awning, casement, and fixed window profiles, accommodating a wide range of architectural and design preferences.

The Ultimate Solution for Luxury Spaces

With its elegant large-profile design, solid structural integrity, and fully integrated hardware system, the TOSTEM NS Series 4-Panel 2-Track Sliding Window satisfies strict technical benchmarks while boosting the architectural beauty of high-end projects. Combining modern manufacturing technology with well-rounded performance, it stands out as the premier choice for luxury living and hospitality environments.