Sliding Window 2 panels on 2 tracks Grants

TOSTEM’s GRANTS 2-panel 2-track sliding window features a 120 mm frame depth combined with large glass panels, expanding views and maximizing natural light. The two flexible sliding panels create a seamless transition between spaces, bringing an open, modern, and luxurious feel to the interior. Every detail—from the frame and tracks to the glass—is meticulously crafted to ensure smooth, quiet, and durable performance over time.

Sleek Design, Optimized Visibility

The frame is engineered with a slim profile to maximize the glass surface area, allowing natural light to flood the room and offering wide, unobstructed views. This modern structure creates a seamless connection with the outdoors, perfectly aligning with open-concept architectural trends.

Smooth Operation, Flexible Layout

The 2-panel 2-track sliding system delivers a light and effortless motion when opening and closing, minimizing noise during operation. Its compact design saves space, making it an excellent solution even for townhouses or apartments with limited floor area.

Premium Materials, Long-Lasting Durability

High-grade aluminum alloy combined with advanced surface treatment technologies ensures frame rigidity, corrosion resistance, and long-lasting color stability. The smooth surface resists dust accumulation and maintains its high-end elegance over years of use.

Precise Technical Specifications

GRANTS features a 120 mm frame depth for 2-track systems, 178 mm for 3-track systems, and a 101.6 mm basic frame profile. A 50 mm sill height provides exceptional structural stability to the entire system. Accommodating glass thicknesses up to 31.5 mm, the window delivers high acoustic and thermal insulation performance suitable for various project types.

Exceptional Resistance to International Standards

The window achieves a wind pressure resistance rating of 2000 Pa (ASTM E330), ensuring safety under severe weather conditions. Its water tightness rating of 300 Pa (ASTM E331-00) prevents rainwater infiltration, while an airtightness rating of 10.7 m³/h·m² (ASTM E283) keeps indoor air clean by blocking dust and external pollutants.

Effective Sound Insulation, Elevating Quality of Life

With a sound insulation rating of JIS 25 dB, the system effectively reduces outside noise to ensure peace and privacy for the family—an essential factor in creating a comfortable, relaxing home environment.

Premium Aluminum Solution for Modern Architecture

TOSTEM’s GRANTS brings together all necessary qualities: refined aesthetics, long-lasting durability, and safe, reliable operation. It is a distinguished choice for villas, townhouses, and high-rise apartments, elevating both the style and value of the entire building.