Fix Window (ATIS)
Tostem Fix Windows (ATIS)?
Tostem ATIS Fix Windows are a premium range of fixed aluminium window systems engineered by TOSTEM — a global brand renowned for high-quality architectural windows and doors. The ATIS (Advanced Technology Integrated System) series blends minimalist design, superior performance, and long-lasting reliability, making it ideal for modern residential and commercial projects.
What Are Tostem Fix Windows (ATIS)?
Tostem ATIS Fix Windows are non-operable aluminium fixed windows designed to provide large, unobstructed glazed areas that maximize daylight, enhance views, and elevate architectural aesthetics. Unlike operable windows, fixed windows do not open — offering excellent structural stability, weather resistance, and sound insulation. ATIS represents TOSTEM’s design philosophy focused on streamlined beauty, refined functionality, and Japanese-engineered precision.
Key Features
✔ Minimalist Slim Frame Design – Clean, contemporary aluminium profiles that create a sleek façade and expansive glass surface.
✔ Superior Structural Performance – Tested to withstand wind load and weather pressures per international standards.
✔ High Air & Water Sealing – Tight seals help resist air infiltration and water leakage.
✔ Excellent Noise Insulation – Provides acoustic comfort suitable for urban environments.
✔ Smart Insect Screen Ready – Optional insect mesh with high airflow and visibility.
✔ Durable Japanese Aluminium – Premium aluminium with weather-resistant finishes for long life.
Technical Specifications
| Specification | ATIS Fix Window |
|---|---|
| Frame Depth | 88 mm (standard) |
| Height of Sill | ~55–65 mm depending on design |
| Glass Thickness | 5, 6, 8 mm (standard), up to 22–26 mm (IGU) |
| Wind Pressure Resistance | JIS: ~1200 Pa / ASTM up to ~2000 Pa |
| Water Tightness | JIS: ~250 Pa / ASTM ~300 Pa |
| Air Tightness | JIS: ~2.0 m³/h·m²; ASTM: ~10.7 m³/h·m² |
| Noise Insulation | ~25 dB (typical) |
| Finish Options | Natural White, Silver, Grey, Brown, Black, etc. |
| Standards | JIS (Japan), ASTM (USA) certified performance |
Note: Specifications may vary slightly based on region, glass type, and project requirements. Always check with your supplier or installer for exact numbers.
Applications
Tostem ATIS Fix Windows are suitable for:
🔹 Residential Buildings – Living rooms, bedrooms, feature walls, panoramic views.
🔹 Commercial Spaces – Offices, lobbies, façades requiring clean glass expanses.
🔹 High-Rise Projects – When paired with ATIS Plus performance-rated systems.
🔹 Architectural Feature Walls – To create uninterrupted glass walls that enhance design language.
Benefits — Why Choose Tostem ATIS Fix Windows
🏆 Architectural Elegance & Aesthetics
ATIS Fix Windows deliver modern minimalist visuals with slim frames and expansive glass areas that enhance natural light and accentuate your building’s façade.
🌦 Weather & Performance Reliability
Designed and tested against international standards (JIS & ASTM), ATIS windows offer reliable resistance to wind, water, and air penetration — ensuring comfort and durability.
🔇 Enhanced Comfort
Fixed windows provide excellent noise reduction and thermal performance, improving indoor comfort in busy urban environments.
🚿 Low Maintenance
With no moving parts and premium anodized finishes, ATIS windows require minimal upkeep and retain visual appeal over time.
🛠 Quality & Warranty
Backed by TOSTEM’s quality control and warranty support, these window systems offer peace of mind and long-term performance.
