The Kommerling C70 Gold® window and door system offers cutting-edge energy efficiency, durability, and a sleek chamfered design. With a 5-chambered structure and a wide selection of colours and finishes, it’s perfect for homes, apartments, and commercial properties. Built to meet modern building regulations, C70 Gold® combines style and functionality effortlessly.

Designed to meet the new 2022 building regulations and achieves a U-value of 1.2 (W/m2K) as standard, providing class-leading energy efficiency.
Low-line gaskets and weatherseals provide lasting performance and slimmer sightlines.
The full-depth, central eurogroove helps make the windows and doors more secure.
The five-chambered system is more energy efficient than the three-chambered designs from many of our competitors.
Steel reinforcement is used where needed, to add additional structural strength.
The chamfered design of C70 Gold® gives a modern and clean look through the frame, sash and glazing bead.
Single-leg glazing bead is highly secure and easy to install on-site.

Cross-section of a Kömmerling C70 Gold white casement window with energy-efficient double seals and modern design.

Cross-Section of Kömmerling C70 Gold Casement Window in White Finish

Advanced Energy-Efficient Chamfered Windows

C70 Gold® Chamfered Window System

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