open up all possibilities

Quality meets innovation: window technology that combines security and design

Precision and comfort in every detail

High-quality hardware systems for your windows

We rely on state-of-the-art window technology that impresses with reliability and comfort when tilting, turning, lifting, and sliding. Our solutions not only ensure security but also perfect integration into your building envelope – whether for large façades or individual window sizes. Discover how versatile and innovative modern window technology can be today.

Window fittings

Modular and aesthetic hardware systems for various windows and French doors made of PVC, wood, and aluminium.

Sliding door fittings

Secure and comfortable hardware systems for all types of sliding doors, stylishly connecting interior and exterior spaces.

Window handles & accessories

Comfortable handling meets attractive design. Window handles from Gretsch-Unitas combine functionality with aesthetics.

SHEV & ventilation technology

Our customised components from drive technology, control solutions, and accessories provide you with a thoroughly reliable solution for your SHEV and ventilation systems.

GU system threshold sills

GU system threshold sills enable energy-efficient, barrier-free doors. Thermal separation protects against moisture, ensures comfort, and pre-assembled variants facilitate installation.

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