Corten steel, also known as weathering steel, is a unique architectural material that combines structural strength with a natural aesthetic that evolves over time. Unlike traditional steel that requires protective coatings, Corten forms a stable, self-protecting rust-like patina when exposed to the elements. This process of oxidation not only gives the material its distinctive rich, earthy tones but also acts as a permanent shield against further corrosion..
At Avantall, we offer high-quality Corten steel solutions tailored for sophisticated building envelopes, ventilated facades, and bespoke architectural details. Our Corten products bridge the gap between industrial heritage and contemporary design, offering architects a material that grows ever more beautiful with time..
Types of Corten materials:
Why choose Corten steel for your next project?
1. Aesthetic appeal that develops
Corten steel is a living material. Over months and years, its surface changes from an initial metallic grey to a bright orange, eventually stabilising into a deep, rich brown colour. This dynamic patina ensures that each facade is completely unique and blends perfectly with natural landscapes and urban environments..
2. Exceptional durability and longevity
Designed to withstand the harshest weather conditions, a self-healing oxide layer protects the material's core. Corten steel facades boast a lifespan that can exceed 50 to 100 years, making them an enduring element in architectural design..
3. Almost maintenance-free
Once the protective patina has stabilised, Corten steel requires almost no maintenance. There is no need for painting, sealing or constant treatments, which significantly reduces the long-term maintenance costs of a building's envelope..
4. Ecological sustainability
Corten is an exceptionally sustainable choice. It eliminates the need for toxic paints or volatile organic compounds (VOCs), and 100% can be recycled at the end of its long lifespan. Its durability means fewer replacements and a reduced environmental impact..
5. High structural strength
Originally developed for heavy industrial use, Corten steel possesses high tensile strength. This allows for the creation of thinner, lighter facade panels (typically 2mm to 3mm) without compromising structural integrity, offering greater design flexibility..
What do we offer you?
Our extensive knowledge of building materials allows us to offer Corten steel in various formats, seamlessly integrated into our premium facade systems.
- Ventilated facade systems: Our core expertise. We deliver complete ventilated facades systems made from Corten steel, including precisely engineered substructures. These systems ensure optimal thermal insulation, moisture management, and a striking visual appearance.
- Architectural wall cladding: Available in various thicknesses and custom dimensions. From flat sheets to complex, parametrically designed panels and perforated screens.
- Bespoke architectural elements: Besides facades, Corten is ideal for privacy screens, sun protection elements (shutters), retaining walls in landscape architecture, and bespoke external elements that require a robust, contemporary appearance.
Technical excellence and hassle-free installation
Avantall is more than a supplier; we take responsibility for the entire supply chain. Integrating Corten steel into a building envelope requires specific technical knowledge to manage the patina formation process and prevent rust staining..
- Correct substructure: We offer specialised mounting systems designed specifically for Corten steel, ensuring stability and proper ventilation in ventilated facade applications.
- Drainage management: During the initial patina formation phase, Corten products will have rust-coloured water runoff. Our engineering team advises on drainage details and solutions to protect surrounding materials (like glass or concrete) from staining.
- Pre-patination options: Although natural patina formation is standard, we can discuss pre-patinated or artifically accelerated patina options for projects requiring an immediate visual impact.
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