From Patina to Purpose: 15 Projects that Explore Corten Steel as a Design Element

Written by Diogo Borges Ferreira
Published on January 03, 2025

In architectural design, materials convey narratives, shaping how spaces are perceived and experienced. Weathering steel, often known by its genericized trademark name, Corten steel, stands out for its ability to evolve, transforming into a medium that tells its own story. It represents a group of steel alloys that form a stable external layer of rust that replaces the need for paint to protect the steel while allowing it to develop in time. Its weathered patina serves as more than a functional shield; it becomes an aesthetic language, a testament to the interplay between architecture and nature. This ever-changing surface bridges the ephemeral and the enduring, offering architects a material that grows richer with age.

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First introduced in the mid-20th century for industrial use, Corten steel was valued for its strength and corrosion resistance. Architects soon recognized its untapped potential, drawn to its dynamic surface and the natural processes shaping its appearance. The material's patina — a richly textured layer of oxidized rust — offers more than visual appeal. It acts as a self-renewing skin, responding to the weather while safeguarding the structure beneath. This blend of utility and artistry allows Corten steel to age gracefully, embedding the passage of time into the built environment.

From residential facades to public landmarks, Corten steel has become a versatile tool in contemporary design. Its warm, earthen tones create a sense of harmony between structures and their surroundings, while its evolving texture lends character and depth. Whether used in cladding, landscaping, or sculptural installations, the material tells a story of resilience and transformation, embodying architecture's dynamic dialogue with time and nature.

From Red to Green: The Contradictory Aesthetics of Oxidized Facades

Below is a selection of projects that have incorporated Corten steel in various forms, showcasing how its evolving patina and earthy tones enhance the design, establish a dialogue with the environment, and contribute to a deeper architectural narrative.