Keystone Supplies, Unit 17 Storforth Lane Trading Estate, Hasland, Chesterfield,
Derbyshire, United Kingdom S41 0QQ
01246 201523

Cortizo Aluminium Doors

Engineered for architectural excellence, Cortizo aluminium door systems combine ultra slim sightlines, robust security, and advanced thermal insulation. From expansive bi fold doors to grand front entrance panels, explore the ultimate in modern architectural glazing.
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Cortizo Millennium Range Doors

High Performance Hinged Entrance Systems (Millennium 2000, 80 Plus, 70 Plus)
The Cortizo Millennium door range is engineered to withstand demanding everyday foot traffic while maintaining sleek architectural aesthetics. Suitable for both luxury residential builds and light commercial projects, the Millennium collection offers versatile single and double hinged door solutions. Available in Millennium 2000, Millennium 80 Plus, and Millennium 70 Plus specifications, this robust system accommodates expansive glass dimensions and heavy duty hardware without compromising on clean, minimalist sightlines.

At the core of the system is advanced tubular polyamide thermal break technology paired with high performance EPDM gaskets to eliminate draughts and prevent energy loss. Integrated with heavy duty multi point security locking mechanisms, internal glazing beads, and optional panic hardware, the Millennium range delivers uncompromised safety and structural longevity. With low threshold options that provide accessible, step free transitions, Millennium doors offer dependable everyday operation and excellent acoustic control.
External Finish
Architectural polyester powder coated aluminium, textured Qualicoat, or anodised
Internal Finish
Matching powder coated aluminium or bespoke dual colour options
Glazing Options
High performance double or triple glazing up to 64mm unit thickness
Optional Extras
Concealed door closers, panic exit devices, electric strike releases, architectural pull handles, low threshold sills
Opening Styles
Inward opening single door, outward opening single door, inward opening double doors, outward opening double doors
Colours
Complete range of Classic RAL colours, textured architectural finishes, and bespoke dual colour combinations
Security & Standards
Heavy duty multi point locking mechanisms, PAS 24 security certified, Secured by Design accredited
Thermal & Acoustic
U values down to 0.9 W/m²K with acoustic noise reduction up to 40dB

All Colour's can be found here...

Yes, VELFAC's Ribo range of windows are modern designs that make use of.... security technology. They conform to... security standards

When we fit VELFAC Ribo windows....

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Cortizo Bi Fold & Bi Fold Plus Doors

Seamless Indoor Outdoor Panoramic Living
The Cortizo Bi Fold and Bi Fold Plus door systems transform wide structural apertures into fluid, light filled architectural expanses. Engineered with ultra slender aluminium profiles and bottom rolling running gear, these systems allow up to 14 sashes to glide smoothly and fold away neatly. Whether opening onto a garden terrace, patio, or private balcony, Cortizo folding doors maximize clear opening widths while providing an uninterrupted panoramic connection between indoor living areas and the outdoors.

Precision manufactured from high grade structural aluminium, the Bi Fold Plus range incorporates extensive polyamide thermal breaks to achieve market leading thermal insulation and weather protection. Fitted with heavy duty multi point shootbolt locking, internal security beading, and high performance perimeter seals, the system protects against severe driving rain and forced entry. Available with ultra low, flush floor track options, it creates seamless, level transitions across modern open plan homes.
External Finish
Architectural polyester powder coated aluminium, textured Qualicoat, or anodised
Internal Finish
Matching powder coated aluminium or bespoke dual colour options
Glazing Options
High performance double or triple glazing up to 45mm unit thickness
Optional Extras
Flush sunken floor tracks, integrated magnetic door retainers, slimline intermediate handles, solar control glass
Opening Styles
Inward folding configurations, outward folding configurations, 2 to 14 sash arrangements with floating corners
Colours
Complete range of Classic RAL colours, textured architectural finishes, and dual colour combinations
Security & Standards
High security multi point shootbolt locking, PAS 24 security certified, Secured by Design accredited
Thermal & Acoustic
U values down to 1.1 W/m²K with acoustic noise dampening up to 40dB

All Colour's can be found here...

Yes, VELFAC's Ribo range of windows are modern designs that make use of.... security technology. They conform to... security standards

When we fit VELFAC Ribo windows....

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Cortizo Aluminium Panel Doors

Luxury Architectural Front Entrance Systems
Make a commanding architectural statement with Cortizo high performance aluminium panel entrance doors. Engineered with seamless flush sash integration and concealed hinges, this luxury entrance collection delivers clean geometric lines and contemporary minimalism to modern homes. Every door is precision fabricated with heavy gauge structural aluminium and insulated architectural infill panels, creating an impressive, durable entrance that stands the test of time.

Designed to exceed modern building standards, Cortizo panel doors incorporate thick polyurethane core insulation and advanced polyamide thermal barriers to achieve exceptional thermal efficiency and acoustic isolation. Integrated with multi point motorized or mechanical security locking, smart keyless access options, and custom bespoke handle configurations, the collection delivers peerless security, privacy, and architectural prestige.
External Finish
Architectural polyester powder coated aluminium, textured Qualicoat, or anodised
Internal Finish
Matching powder coated aluminium, flush decorative panel, or dual colour options
Glazing Options
Triple glazed insulated decorative glass inserts, sandblasted privacy glass, or solid panel
Optional Extras
Concealed 3D adjustable hinges, integrated LED lighting channels, biometric fingerprint entry, bespoke full height pull bars
Opening Styles
Inward opening single entrance door, outward opening single entrance door, single door with matching fixed sidelights
Colours
Comprehensive palette of Classic RAL colours, textured architectural finishes, and bespoke dual colour options
Security & Standards
Automatic multi point locking systems, PAS 24 security certified, Secured by Design accredited
Thermal & Acoustic
U values down to 0.7 W/m²K with acoustic noise reduction up to 43dB

All Colour's can be found here...

Yes, VELFAC's Ribo range of windows are modern designs that make use of.... security technology. They conform to... security standards

When we fit VELFAC Ribo windows....

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High Performance Hinged & Entrance Systems

Cortizo Millennium Range Doors

  • Heavy Duty Hinged Entrance Profiles
  • Secured By Design & PAS 24
  • Advanced Polyamide Thermal Break
  • Architectural Aluminium
Millennium 2000, 80 Plus, 70 Plus

Built for heavy traffic without compromising on thermal efficiency or modern aesthetics, the Cortizo Millennium collection offers versatile hinged aluminium doors. Available in 2000, 80 Plus, and 70 Plus specifications, these systems deliver exceptional acoustic insulation, multi point security, and low threshold options ideal for both residential and commercial projects.
Seamless Indoor Outdoor Living

Bi-Fold & Bi-Fold Plus Doors

  • 73mm Ultra Slim Interlocking Sightlines
  • Secured By Design & PAS 24
  • U Values Down To 1.1 W/m²K
  • Expansive Multi Sash Configurations
Transform wide openings into fluid, light filled spaces with Cortizo bi fold door systems. Engineered with ultra slim sash profiles, smooth rolling mechanisms, and high glass weight capacity, the Bi Fold and Bi Fold Plus ranges allow up to 14 sashes to fold effortlessly, creating panoramic views alongside superior weather tightness.
Luxury Architectural Front Entrances

Aluminium Panel Doors

  • Flush Architectural Panel Integration
  • High Security Multi Point Locking
  • Maximum Thermal Core Insulation
  • Precision Engineered Aluminium
Make a bold architectural statement with Cortizo high performance aluminium panel entrance doors. Featuring flush frame integration, hidden hinges, and customizable contemporary designs, these premium doors deliver maximum thermal insulation, exceptional structural strength, and advanced security for modern homes.
Stay Stylish With Matching Windows

Looking For Cortizo Windows?

See Cortizo's paired range of windows to perfectly complement your doors.
Company No: 08821594
Vat No:189597232
Created@keystone-supplies.co.uk
Keystone Supplies
Unit 17
Storforth Lane Trading Estate
Hasland
Chesterfield
Derbyshire
United Kingdom
S41 0QQ