PVC and Aluminum Doors and Windows Factory — Silvestre Sousa, Lda.
SAPA Portugal /Windows

BZI Hidden

Concealed sash system to maximize glazed surface area and reduce the visual visibility of the aluminum.

Aluminum
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Made to measureConfiguration adapted to the project.
Traceable technical data sheetReference manufacturer data
BZI Hidden — SAPA
SAPA Portugal1 image

Performance

Quick technical reading.

Values published in the system specifications. The final configuration depends on the dimensions, glass, hardware, and project conditions.

Thermal—Uw / Uf
Acoustics—Sound reduction
Air—Permeability
Water—Watertightness
Wind—Resistance

System

Description and applications

The BZI Hidden solution conceals the movable sash within the fixed frame to achieve a more visually compact bezel. The hardware prioritizes a clean look, with fewer visible elements and greater continuity of the glass area.

Applications

  • Housing
  • Minimalist architecture
  • Renewal

Finishes

  • SAPA colors and finishes available upon request.

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Do you want to apply this system to your project?

Send measurements, photographs, or floor plans for a technical analysis tailored to the opening and its intended use.

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