Corten steel, also known as weathering steel, is prized for its rustic, rust-like appearance and durability. However, proper cleaning and maintenance are essential to preserve its unique aesthetic and structural integrity. Here’s the best way to clean a corten steel outdoor table:

1. Remove Loose Debris – Use a soft brush or cloth to sweep away dirt, leaves, and dust. Avoid abrasive tools that could scratch the surface.

2. Gentle Washing – Mix mild soap with warm water and gently scrub the table with a non-abrasive sponge. Rinse thoroughly with clean water to prevent soap residue.

3. Control Rust Buildup – Corten steel naturally develops a protective rust layer, but excessive rust can be managed by lightly scrubbing with a vinegar-water solution (1:1 ratio).

4. Dry Properly – After cleaning, wipe the table dry with a soft cloth to prevent water spots and uneven patina.

5. Apply Protective Coating (Optional) – If you prefer to slow down rusting, apply a clear wax or specialized corten steel sealant.

Regular maintenance ensures your corten steel table remains visually appealing and structurally sound for years. Embrace its weathered charm while keeping it clean and functional!