Targeted at buyers who want to maximize views with their door solutions, the Cortizo 4700 sliding patio door is a trusted favourite in the UK. It’s affordable, reliable, offers various configuration options, and is especially easy to install. With a slim central interlock and streamlined frame, it creates minimal sightlines and a clean, modern look.

Korniche engineers have built on the 4700’s foundation, enhancing its design with key performance improvements.
Korniche technologies make installation faster and easier, provide even slimmer sightlines with improved vent integration, offer advanced security features, and introduce stylish new hardware options—all while preserving the features that made it a leader in the market.

Additionally, Korniche includes high-quality aftercare and a gold-plated 10-year warranty as standard.