Cortizo, established in 1972 in Padrón, Spain, is a leading global manufacturer of aluminium and PVC systems for architecture and industry. With a presence in over 60 countries, the company offers a comprehensive range of products including windows, doors, facades, and solar protection systems. Cortizo distinguishes itself by overseeing the entire production process—from casting and extrusion to surface treatments and distribution—ensuring rigorous quality control at every stage. Committed to innovation and sustainability, Cortizo operates nine production centres and 31 logistics centres, serving clients worldwide with high-quality, energy-efficient solutions.
Introducing the Cortizo 4700 Sliding Patio Door with patented Korniche Technology. Known for its affordability, reliability, and easy installation, this door offers slim sightlines and a modern aesthetic with its sleek frame and minimal interlock. Korniche engineers have enhanced the 4700 with improved performance, quicker installation, added security features, and new hardware options, all while maintaining its market leading reputation. Plus, enjoy Korniche’s top-tier aftercare and a gold-plated 10-year warranty as standard.
Key Benefits
- Cortizo 4700 with Korniche enhancements
- First slider with patented ’speed bead’
- No wedge gasket to cut or fit on site
- Crane delivery for larger glass units
- Assembled and flat pack options
Gallery
Further Information
- Discreet and modern handles
- Stock colours on the shelf - Anthracite Grey, Black, White and Agate Grey
- PAS24 as standard
- 2022 Building Regs approved
- Manufactured in the UK
- Tap in beads for faster installation
- Integral blinds option
- Slim 47mm interlock
- Hidden gaskets for cleaner sightline