Cortizo 4700 Aluminium Sliding Doors | Altegra

Cortizo 4700 Sliding Door System

The 4700 Sliding Door System from Cortizo are the perfect solution for both commercial and residential projects.

Cortizo 4700 Sliding Door System is a high-performance aluminium system designed for large glass surfaces and maximum natural light. It is suitable for both residential and commercial projects, and it offers excellent thermal and acoustic insulation, as well as exceptional security features.

The system is characterized by its slim profile, which allows for maximum glass surface and minimal visual obstruction. It has a sash weight capacity of up to 400 kg, and it can accommodate glass thicknesses of up to 32 mm. The 4700 Sliding Door System is available in a variety of configurations, including two, three, four, and six-panel systems, with options for both fixed and sliding panels.

The 4700 Sliding Door System features a high-performance thermal break, which helps to reduce heat loss and improve energy efficiency. It also has excellent acoustic insulation properties, making it ideal for projects in noisy environments.

In terms of security, the 4700 Sliding Door System is equipped with a multi-point locking system, which provides superior protection against forced entry. The system is also compatible with a range of electronic access control systems, making it an excellent choice for commercial applications.

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4700 Aluminium Sliding Door System
4700 Aluminium Sliding Door System
  • Technical Specifications

  • Product Details

  • Finishes

  • Openings

Average U values

Transmittance Uw from 1,1 (W/m²K)


Maximum dimensions/sash  width 2500 mm
Maximum dimensions/sash  height 3000 mm
Frame Sections 50 mm
Profile thickness balcony 1.5 mm
Polyamide strip length 20 & 25mm



Maximum acoustic insulation Rw=40 dB
Air permeability (EN 12207): CLASS 3
Water tightness (EN 12208): CLASS 7A
Wind resistance (EN 12210): CLASS C5
Reference test: 1,80 x 2,20 m. 2 sashes



Security tested in accordance with PAS24.

  • Sashes of up to 280 kg weight allow maximum dimensions of 2500 (W) x 3000 (H) mm
  • Interlock profile 47 mm
  • PAS24 accredited
  • Sliding of 2, 3, 4 & 6 sashes
  • Possibility of 1 rail (1 sash+ 1 fixed)
  • Possibility of 3 rails
  • Possibility Galandage 1, 2 & 4 sashes
  • Stainless steel rails that allow for ultra smooth sliding
  • Wide selection of powder coated finishes, and also dual colour, wood effect powder coating, anti-bacterial powder coating, and anodised.

Cortizo-4700-Sliding-Doors-Configartions 1

Cortizo-4700-Sliding-Doors-Configartions 2

Cortizo-4700-Sliding-Doors-Configartions 3


Dual colour available

Our products are available in a wide variety of standard or non-standard colours, including dual colour where you have a choice of the same colour inside and out. For commercial, choose from a full range of standard RAL colours and if you have a specific colour in mind, we can colour match for a bespoke solution.

Variety of glass types

Due to the design and nature of our aluminium door products, we are able to provide an extensive array of customisable glass options for you to choose for your aluminium system.

Made to measure

Every aluminium door system which we design is made to match our customers exact requirements. We have a dedicated in-house team to help with this.

Extensive product range

With our aluminium product range, we are able to design standard and bespoke aluminium sliding doors suitable for all types of customers.

Standard Colour Range

TRAFFIC WHITE - RAL 9016: Offering a more traditional look to match existing window frames.

Anthracite Grey - RAL 7016: The classic aluminium bifold door colour for that ‘Grand Designs’ look.

Jet Black - RAL9015: Perfect for a more sophisticated, contrasting colour option or a more contemporary finish.

Dual Colour Range

White / Anthracite

Anthracite / White

Explore how Altegra can maximise durability and product lifespan

Learn more about what Altegra Window & Door Systems have to offer by booking a meeting with one of our team members, or by enquiring via the contact form. Once you submit the enquiry form, it will be passed to a member from our team, then they will contact you promptly.


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Contact Altegra Window & Door Systems today to set up a free trade account for all aluminium window and door systems.