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W20

W20

W20 – Elegance, Minimalism, and Durability

The FerroFinestra W20 system from Ottostumm is an iconic solution that blends historical design with modern technology. Originating from the British “Universal Range” system of 1912, the W20 is the perfect choice for renovating historical buildings as well as contemporary architectural projects such as lofts, villas, commercial spaces, or institutional buildings. With its slim profiles and exceptional strength, this system delivers aesthetics, functionality, and reliability. The system is ideal for both external glazing and internal partitions, ensuring stylistic consistency between the facade and interior.

W20 – Blend History with Modernity in Your Project

W20

Key Features

Minimalist Steel Aesthetics
The W20 profiles, made of hot-rolled steel, feature slim lines with a width of just 18 mm, maximizing light flow and emphasizing facade transparency. The system offers extensive design possibilities, from industrial style to classic elegance.
Versatility of Applications
The W20 system enables the implementation of various opening types, including windows and doors that open outward and inward, as well as pivot windows with vertical or horizontal rotation. Combined with T-profiles used as mullions and transoms; it allows for the creation of large glazing structures. Thanks to the ability to use glazing up to 20 mm thick, this system is also suitable for external elements, particularly for recreating original steel windows and doors in historic buildings.
Exceptional Strength
The W20 steel profiles, with wall thicknesses 3 to 5mm, provide outstanding rigidity (three times greater than aluminum), allowing for large windows with minimal frame thickness.
Precision and Quality Craftsmanship
Manufactured in Switzerland on precise production lines, W20 hot rolled profiles guarantee the highest quality and durability.
Design Flexibility
A wide range of fittings, both contemporary and inspired by historical designs, allows the system to be tailored to individual project needs. The option to use galvanic coatings and various finishes enhances design freedom.
Ideal for Renovation and Modern Projects
The W20 system retains original proportions and design, making it perfect for renovating historical buildings. At the same time, its slim profiles and minimalist appearance seamlessly integrate into modern architecture, providing elegance and visual lightness.

Why Choose the W20 System?

Iconic Style

Slim steel profiles offer unmatched elegance and lightness, difficult to achieve with other materials.

Flexibility

A variety of opening types and finishes enables the realization of nearly any architectural project.

Heritage and Modernity

Combines the historical style of the “Universal Range” with modern production technologies.

Prestige

Chosen by architects worldwide for projects of high aesthetic and functional value.

System applications (internal up to 3m high, external up to 2.3m)

Internal doors

  • Single and double open in or out


  • Pivot

External doors

  • Single and double open in or out

  • Pivot

Windows (internal and external)

  • Fixed

  • Single and double opn in or out

  • Open out top hung

  • Open in bottom hung

  • Pivot (horizontal or vertical)

Let’s work together…

From initial idea, thru design process, estimation all the way to satisfactory completion… we do it all.

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