Window frames 60 to 201 mm
48 mm opening · 34 mm polyamide bar.
The Cortizo 4900 HI Sliding System allows you to create bright aluminum windows with double or triple tracks. Manufactured by ROSH with STAC hardware, it combines ease of use, large glazed areas, and sound insulation of up to Rw 40 dB.
An aluminum sliding door designed to open up the space, maximize natural light, and make it easier to move through the room.
Close-up view and technical cross-section to understand the system's construction.
Choose the layout that best suits your intended use, available space, and architectural style.
Glazing: up to 36 mm · Hardware: STAC
Each item is custom-made by ROSH and then inspected before being prepared for shipment.
© Copyright 2026 by ROSH: Manufacturer of windows, doors, and roller shutters.
A minimalist aluminum sliding door designed to create large, light-filled, seamless openings.
Choose the layout that best suits your needs, the available space, and the architectural style.
Each system is custom-built at our factory, from the cutting of the profiles to the final inspection.
Specifications for the 4900 HI aluminum sliding system. The final dimensions must always be confirmed based on the project’s type, glazing, hardware, and exposure.
48 mm opening · 34 mm polyamide bar.
Double-pane windows, depending on the desired performance.
Maximum dimensions per panel.
Maximum weight per sash.
Single-rail, dual-rail, triple-rail, and four-rail, depending on the configuration.
2, 3, 4, or 6 panels, pocket door system, and 90° opening without a mullion.