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The Kommerling O70 Gold® window and door system combines energy efficiency with timeless ovolo design. Its 5-chambered structure ensures excellent thermal performance, while soft sculptured lines add elegance to any home. With a wide range of foiled finishes and durable PVCu construction, O70 Gold® is designed to meet modern UK standards and style.
- 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 ‘ovolo’ design of O70 Gold® shows off soft sculptured lines in the frame, sash and glazing bead.
- Single-leg glazing bead is highly secure and easy to install on-site.
Cross-Section of Kömmerling O70 Gold Casement in Classic White
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