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Narrow-Frame Hidden Sash Window (Tilt & Turn)

$0.00

Designed for visual simplicity, the Hidden Sash Window minimizes visible framing to maximize light and openness. Its seamless integration and slim proportions make it ideal for floor-to-ceiling applications, functioning as both window and door while maintaining strong thermal performance, sound control, and durability.

Use Cases

Residential: High-rise apartments and condos, small rooms and compact spaces, kitchen and bathroom

Commercial: Offices & high rises, retails & restaurants, schools & healthcare centers

Specialized: Egress/fire escape, basements/tight spaces

Designed for visual simplicity, the Hidden Sash Window minimizes visible framing to maximize light and openness. Its seamless integration and slim proportions make it ideal for floor-to-ceiling applications, functioning as both window and door while maintaining strong thermal performance, sound control, and durability.

Use Cases

Residential: High-rise apartments and condos, small rooms and compact spaces, kitchen and bathroom

Commercial: Offices & high rises, retails & restaurants, schools & healthcare centers

Specialized: Egress/fire escape, basements/tight spaces

    • Seamless Design
      Operable sash and fixed frame align perfectly for a clean, uninterrupted appearance.

    • Ultra-Slim Profile
      Only 3.15″ visible sash-frame width with a multi-cavity design for bold, minimalist lines.

    • Versatile Functionality
      Functions as both a window and a door for flexible living spaces.

    • Inward-Tilt Ventilation
      Allows fresh air in while preventing direct drafts for gentle, comfortable airflow.

    • Full Inward Opening
      Creates an unobstructed passage, seamlessly connecting indoor and outdoor areas.

  • Aluminum

    0.07” Thickness thermal break aluminum

    Frame Width

    3.54”

    Insulation Strip

    German technoform insulation strip (1-11/16“)

    Sealing Strip

    Semperit+Sano foam composite EPDM strip

  • 1/4”-1/2”-1/4”-1/2”-1/4”

  • Belgium-Imported Sobinco tilt-and-turn hardware

  • Heat Insulation

    1.6W/m²K

    Sound Insulation

    35dB

    Water Tightness

    900Pa

    Air Tightness

    1.5m³/(m²*h)

    Wind Resistance

    4.5Kpa