Cortizo 4900 Sliding Hi

Maximise glass, minimise effort – high performance aluminium sliding doors made for smooth installs.

The CORTIZO 4900 Sliding Hi system delivers exceptional thermal efficiency, sleek sightlines, and installer friendly design – ideal for large-span doors in modern extensions and renovations. With slim 20mm interlocks, sash weights up to 400kg, and excellent weather performance, this sliding system helps you fit fast, sell smarter and build your aluminium offering with confidence.

Key
Features

Cortizo Patio

Designed for installer efficiency

Pre-inserted gaskets, smooth-rolling track systems, and simplified sash assembly to help reduce time on site and ensure smooth handovers with fewer snags.

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1

20mm slim central interlock

Uninterrupted views and clean lines with a market-leading ultra-slim profile at the meeting point.

2

Pre-fitted gaskets

Helps you reduce prep time and achieve a clean, uniform seal – no fiddling required.

3

Heavy duty

Engineered track and roller system supports up to 400 kg per sash, offering effortless glide and reliable movement – even on the largest panes.

4

Thermal breaks

Integrated 45 mm polyamide strips for thermal insulation, supporting compliance with current and future regs.

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