28 Jan 2026
Cortizo 4700/Korniche aluminium sliding patio door
Korniche engineers have taken the standard form of the 4700 door and improved elements of the design with key performance enhancements.
Korniche technologies speed up and simplify installation, provide slimmer sightlines with better vent integration, add a host of security features and add some sleek new hardware options. All whilst still retaining the key features that make it a market leader.
We also add Korniche quality after care and a gold-plated 10-year end-user warranty as standard.




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