
The MB-SR50 IW is a mullion and transom curtain wall system featuring an inward-opening window with an external appearance indistinguishable from fixed glazing. The design offers a sleek, seamless look from the outside, with the window pane structurally bonded to the sash profile for a frameless exterior effect.
Key Features:
- Seamless Aesthetics: The system ensures a uniform façade appearance, with mullions and transoms aligned internally, and no visible window frames from the outside.

- High Thermal Insulation: The system achieves a heat transfer coefficient of Uf = 1.82 W/(m²K), ensuring energy efficiency.
- Design Variants: Available in standard, flat strip, and EFEKT versions to suit different architectural needs.
The MB-SR50 IW combines elegant design with excellent thermal performance, making it an ideal choice for modern, energy-efficient building façades.