ATIS Corner Fixed Window
TOSTEM – Seamless Corner Fixed Window with Panoramic Glass & Concealed Frame

The TOSTEM Corner Fixed Window offers uninterrupted panoramic views with a clean, minimalist corner design. Ideal for creating a sculptural glass presence in modern architecture, it features concealed hardware, integrated drainage, and smart insect screening—delivering elegance, functionality, and weather resilience.
Key Features
Concealed panel design for sleek, frameless corners
Overlapping meeting stile supports 4-panel configurations
“L‑Fit” hardware ensures clean intersections
Double-barrier drainage system keeps water out
Internal sliding insect screen with high-transparency mesh
Specifications
Parameter Value
Frame Depth 101.6 mm
Sill Height 50 mm
Glass Thickness Up to 31.5 mm (single‑glazed)
Panel Tracks 120 mm (2‑track), 178 mm (3‑track)
Performance Ratings
Performance Type Rating
Wind Resistance 2,000 Pa
Water Tightness 300 Pa
Air Tightness 10.7 m³/h·m²
Acoustic Insulation ~25 dB
