The Cortizo 4700 Sliding Door combines robust engineering with elegant design, delivering a high-performance system ideal for modern residential and commercial spaces. Designed to accommodate expansive glass areas with minimal effort, it’s available in both in-line and lift-and-slide variations—allowing for smooth operation and architectural flexibility.
This system is perfect for creating bright, open interiors where energy efficiency, acoustic performance, and security are essential. Whether you’re framing garden views in a contemporary home or opening up a commercial façade, the 4700 delivers lasting performance with a refined aesthetic.
The Cortizo 4700 supports generous sash dimensions while maintaining clean lines and slim profiles. Available with 2-, 3-, or 4-rail setups and optional in-pocket configurations, it suits a wide range of openings and styles. With both standard sliding and lift-and-slide options, it allows tailored functionality based on access and usability needs.
Designed for larger glazing units (up to 36 mm), the system handles sash sizes up to 2500 mm wide and 3000 mm high, with weights of up to 300 kg. Despite this heavy-duty capacity, the 4700 maintains smooth movement and strong thermal and acoustic performance, thanks to its adjustable hardware and advanced sealing. The 47 mm interlock balances strength with elegant visual impact, making it a reliable and stylish choice for any property.
The Cortizo 4700 features frame depths of 115 mm or 120 mm in standard form, and 185 mm for three-rail configurations. It supports double or triple glazing from 26 mm to 36 mm, with a polyamide strip of up to 25 mm enhancing its thermal break capabilities. The interlock measures 47 mm, offering slim sightlines while maintaining durability. Maximum sash sizes are 2500 mm wide by 3000 mm high, with weights up to 280 kg for standard slide and 300 kg for lift-and-slide.
This system achieves excellent energy efficiency with Uw values from 1.4 W/m²K for double glazing and as low as 1.2 W/m²K with triple glazing. It is rated Class 7A for water tightness, Class C5 (slide) / C2 (lift & slide) for wind resistance, and Class 3 / 4 for air permeability, making it well-suited to the demands of UK weather.
