Cortizo Bi-Folding Doors

Designed to cover large openings, our bespoke bi-folds offer a great range of configurations, focusing on practicality and easy access.

The CORTIZO bi-folding door system has been designed with the most avant-garde aesthetic. With up to 14 sashes available, alongside outside and inside opening and even or odd numbers of doors, you can be sure they will fit your requirements.

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Resistance to atmospheric agents
All of CORTIZO’s enclosing systems are tested in the Test Laboratory at the Technological Center to guarantee the best performance in watertightness, air permeability and wind loads, endorsed by the maximum results in its test qualifications.

Thermal insulation
Nowadays energy efficiency in buildings is a demand made, both by the architects, as by the final customer aware of the importance of saving on heating costs and air conditioner. CORTIZO meets such challenge with systems for every climatic area with a high insulation coefficient to ensure the comfort in the residence.

Acoustic insulation
In order to transform the residence into a private space, intimate and free of pollution outdoor acoustics, CORTIZO has designed its enclosing systems with all the latest technological developments necessary to ensure indoors peace and relax.

Design Features

  • Maximum energy efficiency values: window transmittance from 1,5 (W/ m2K)*.
  • Maximum tightness: CLASS 9A, which means during 55 minutes, total affluent of 330 liters and wind velocity of 114 km/h, there’s no water intake.
  • Bi-fold up to 14 sashes.

*Consult typoloogy, dimension and glass.


  • Up to 14 sashes outside and inside opening
  • Possibility of either even or odd number of sashes
  • It allows to insert the bottom frame in the pavement
  • Choice of White, Black, Chrome, Satin Chrome or Grey Handles

Unlimited colour range
The whole RAL colour chart in powder coating, exclusive powder coating, metallic, textured , wood effect, more than 100 finishes in anodized. Aluminum on the outside and wood in the inside, two-coloured finishes… An unlimited offer to create a colour harmony at home. Quality labels in every process: QUALICOAT, SEA-SIDE, QUALIDECO and QUALANOD.

Avant-garde aethetics
We create tailor-made windows and façades for every project. Creativity to answer aesthetically and functionally to each demand. Aesthetic answers to the technical needs. Creativity at the service of habitable environments.

Enclosures for life
Aluminum is the most durable, long-standing and resistant material of those used in enclosures. Aluminum has the strength and a durability of the things that last a whole lifetime.

Sustainable spirit
Respect for the environment is CORTIZO’S commitment. Using innocuous raw materials and products in all our manufacturing process and the limitless possibility of aluminum recycling, allows us to remove any creation of waste and environmental risks.

Technical data

Maximum glazing thickness 45 mm
Interior Opening Possibilities 1 to 14 sashes
Exterior Opening Possibilities 1 to 14 sashes
Possibility of corner sash at 90º without mullion
Sections Frame – 73 mm / Sash – 73 mm
Profile thickness Door 1,8 mm
Polyamide strip length Frame 20 mm / Sash30 mm
Maximum dimensions/sash Width (L) = 1.200 mm
Height (H) = 3.000 mm
Maximum weight/sash 120 Kg
Please consult regarding maximum weight and dimensions for other opening types

Test centre

Transmittance Uw from 1,1 (W/m²K)
Please consult typology, dimensions and glazing
Air permeability (EN 12207) CLASE 4
Water tightness (EN 12208) CLASE 9A
Wind resistance (EN 12210) CLASE A3
Reference test 2.70 x 2.53 m. 3 sashes
Security Test (PAS 24): Passed
Reference test 2701 x 2517 mm. 3 sashes.
Set-up: 330

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