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Upgrade your home with the perfect fusion of award-winning British engineering and sleek, modern design. The Cortizo 4700 sliding patio door is already a UK favorite for its reliability and breathtaking views—but we’ve made it even better. By integrating exclusive Korniche Technology, we’ve transformed a market leader into the ultimate solution for security, style, and effortless living.
Don’t settle for standard. Transform your living space today with the elite performance of Korniche innovation.
Ultra-Slim Sightlines: Maximise your views with a sleek 47mm interlock and slim-line profiles that offer a clean, modern aesthetic.
Unbeatable Security: Sleep soundly knowing your home is protected by PAS 24:2022 certified frames and high-strength shoot-bolts.
Patented SpeedBead: Our unique glazing system allows for installation in seconds and easy glass replacement without damaging the paint finish.
Advanced Thermal Efficiency: Deep polyamide thermal breaks and bespoke EPDM seals keep the heat in and the weather out, ensuring year-round comfort.
Whisper-Quiet Operation: Experience effortless movement for years to come, thanks to high-precision stainless-steel running gear and sealed rail bearings.
Create a look that is uniquely yours with a wide range of customisation features:
| Feature | Your Options |
| Colours | Over 150 RAL colours in matt, satin, or gloss, including dual-colour frames. |
| Hardware | Premium pull and shoot-bolt handles in Black, White, Grey, Chrome, or Brushed Stainless Steel. |
| Configurations | Available in 2, 3, 4, or 6 sashes on double or triple tracks for openings up to 6.4 metres. |
| Integrated Blinds | Uni-Blinds® encapsulated between glass panes for a cordless, child-safe, and dust-free solution. |
We stand behind our craftsmanship. Every Cortizo 4700 slider featuring Korniche Technology is manufactured exclusively in the UK and comes with a gold-plated 10-year manufacturer’s warranty as standard.
Multi-Award-Winning Excellence: Korniche products are recognized for innovation, holding the prestigious King’s Award for Enterprise 2024 and multiple NFA Awards.
Ready to bring your vision to light? Contact us now to secure your 10-year protected investment and experience the Korniche difference!
Korniche Cortizo sliding doors are modern aluminium glass doors designed to create wide, open views with smooth sliding action. They use the Cortizo aluminium system, known for its strength, slim frames, and clean design. These doors allow large glass panels to move effortlessly, giving your home a bright and open feel.
The slim profiles help maximise natural light while keeping the frames strong and secure. Korniche Cortizo systems are built for performance, so they’re energy-efficient, weather-resistant, and extremely durable. Whether for homes or commercial spaces, they offer a stylish way to add big glass openings without losing warmth or safety.
People choose Korniche Cortizo sliding doors because they combine amazing looks with outstanding performance. The slim aluminium frames allow you to enjoy huge areas of glass without bulky borders. This makes your home feel more open, modern, and connected to the outdoors.
The Cortizo system is engineered for strength, security, and insulation. It helps reduce heat loss, cuts noise, and provides a smooth slide every time. With advanced locking options and durable aluminium profiles, these doors are built to last while keeping your home bright, stylish, and secure.
The Korniche Cortizo system offers lots of ways to personalise your sliding doors. You can pick how many panels you want, how they slide, and the exact colour of the aluminium frame. The slimline design blends well with any style and gives your home a neat, minimalist appearance.
Glass options include triple glazing, safety glass, low-energy coatings, and solar protection. Whether you want more privacy, better insulation, or a clearer view, there’s a choice that fits. The flexible design makes Cortizo sliding doors an easy match for any home style or project.
Korniche Cortizo sliding doors are built for effortless movement. The aluminium frames are lightweight yet strong, allowing large glass panels to slide smoothly along the track. High-performance rollers reduce friction, so the doors open and close with very little effort.
The sliding system is designed to stay smooth even after years of use. The sturdy track and precision engineering help the doors glide quietly and safely. With easy operation and low maintenance, Cortizo sliding doors and our lift and slide door systems offer a long-lasting solution that feels great to use every day.
Our team promises to provide you with three things;
– CRL Team
