Cortizo COR Vision Sliding Doors | Ultra Slim Aluminium Slider UK - national supply, survey and installation
Call us: 020 341 10038 | 01768 254552
Email: projects@thefenestrationnetwork.co.uk
Transform your home or commercial project with the Cortizo COR Vision sliding door system — combining minimal sightlines, high performance, and architectural flexibility.
What Is the Cortizo COR Vision Slider?
The Cortizo COR Vision is a premium aluminium sliding door system engineered for maximum glazed area and minimal visible frame. It’s designed to push boundaries in both aesthetics and performance.
Key system variants include the standard COR Vision and the COR Vision Plus edition, offering enhanced performance and glazing options.
Key Features & Technical Specifications
Slim sightline (interlock) - just 20 mm between sliding panels in standard COR Vision
Glazing capacity - Up to 30 mm in standard variant
Maximum sash dimensions - Up to 2,500 mm (width) × 3,000 mm (height)
Maximum sash weight - Up to 320 kg for manual system
Performance (U-value, thermal / acoustic) - The system achieves U-values ~1.3 W/m²K in standard double glazing setups
Wind / Water / Air rating - High resistance to water, wind loads and air permeability (e.g. EN standards)
Design flexibility - Supports corner sliders without mullions, embedded (in-wall) frames, pocket systems
Finish & colour - Wide choice: powder coated by RAL, textured / mottled, dual colour options, wood-effect or anodised finishes
Why Choose COR Vision Sliding Doors?
- Maximum light & minimal frame — more than 90% of the aperture can be glass with slimline 20 mm interlocks
- Architectural freedom — corner sliders, pocketing, embedded frames give striking design options
- Strong & stable — supports large sashes with high weight capacity
- Thermal & acoustic integrity — performs well in insulation and noise reduction
- Seamless indoor-outdoor flow — ideal for modern glazed extensions, patios, and large openings
- Customisable finishes & aesthetics — match with interior / exterior schemes
COR Vision vs COR Vision Plus
The COR Vision Plus variant brings upgraded capabilities:
- Increased glazing thickness (up to ~54 mm) and triple glazing options
- Slightly larger visible frame element (≈ 25 mm) for enhanced structural performance
- Higher maximum sash weight and motorised opening options
- More advanced thermal & acoustic performance, ideal for larger spans and premium projects
Cortizo COR Vision Slider — Supplied & Installed Across the UK
We supply and install the Cortizo COR Vision Slider system nationwide. Whether you’re planning a sleek modern sliding door for your property, upgrading your glazing, or opening up an entire elevation, our expert survey & installation teams cover all major UK regions with precision and attention to detail.
South & South East
Cortizo COR Vision Slider London, Kent, Surrey, Sussex, Hampshire, Southampton, Home Counties and Essex.
From London town-houses to coastal homes in Sussex, our South & South East installation team handles everything — from specification to installation and aftercare for the COR Vision Slider.
South West & West
Cortizo COR Vision Slider Devon, Bristol and Gloucester.
In the South West region we bring the COR Vision Slider system to modern extensions, barn‐conversions and contemporary homes — full supply, installation, finishing and support.
Midlands & Central
Cortizo COR Vision Slider Birmingham, The Midlands, Northamptonshire, Nottinghamshire, Leicestershire, Derbyshire and Lincolnshire.
Our central England network provides efficient lead times, accurate site surveys and professional installation of the COR Vision Slider across both residential and commercial projects.
North West
Cortizo COR Vision Slider Greater Manchester, Manchester, Lancashire, Liverpool, Cheshire, Cumbria and Carlisle.
Serving the North West, our teams work across urban apartments, countryside houses and large scale renovations — we supply and fit the COR Vision Slider with high-quality finishes and strong regional knowledge.
Yorkshire & North East
Cortizo COR Vision Slider Yorkshire, Newcastle and the North East.
Whether you are renovating a Yorkshire home or developing in the North East region, we bring you the COR Vision Slider system with full design support, hardware choices and installation expertise.
Design, Supply & Installation With Us - national reach
- On-site survey & specification — we assess your aperture size, structure, access and design goals
- Design & layout support — advising on track options, corner systems, embedded frames
- Bespoke manufacture — using the COR Vision system to your exact sizes & finishes
- Professional installation — ensuring precise alignment, sealing, drainage, and aesthetic finish
- Aftercare & warranty — we support the installation long term with maintenance advice
We can also tailor your system to integrate with flooring, threshold levels, and adjacent glazing or walls for a seamless finish.
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PUTTING YOUR MIND AT EASE...
A British Standard that specifies the security performance requirements for doors and windows
the official police security initiative that works to improve the security of buildings and their immediate surroundings
A British Standard that specifies the security performance requirements for doors and windows
quality glazing products, manufactured right here in the UK
the official police security initiative that works to improve the security of buildings and their immediate surroundings
A British Standard that specifies the security performance requirements for doors and windows
the official police security initiative that works to improve the security of buildings and their immediate surroundings
the official police security initiative that works to improve the security of buildings and their immediate surroundings
the official police security initiative that works to improve the security of buildings and their immediate surroundings
10% off all orders placed before 30th November 2025
Applicable only to orders resulting from new quotes produced from 15th October to 30th November, must include full supply, survey and installation and must include any combination of the below:
Windows/ Bi Folding Doors/ Sliding Doors/ French Doors/ Entrance Doors/ Windows/ Garden Studios, Glass Balustrades, Orangeries.