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Materials & Weathering

Steel that rusts on purpose and looks better for it. Everything about Corten and how it ages.

What Is Corten Steel—And Why Is It Used in Metalbirds?

We make every Metalbird from premium 3mm Corten steel, also known as weathering steel—the same alloy used in world-famous outdoor sculptures, architecture, and landscape design. It’s rugged, raw, and built for decades in the wild. Corten steel contai

Will My Metalbird Rust? (Spoiler: Yes, But That’s Good)

It’ll absolutely “rust”—but not the kind you’re thinking of. Your Metalbird will arrive looking gunmetal gray. Once placed outdoors, it begins developing a natural patina—first bright orange, then burnished copper, and eventually deep charcoal brown.

Can I Keep the Original Look? (Clear Coat & Powder Coat Options)

Some customers prefer the raw, gray steel look of a fresh Metalbird—and yes, you can preserve that clean finish. Here’s how:. Apply a product like Rust-Oleum Matte Clear Enamel within the first few days of installation. This will:. Lock in the origin

How Long Will a Metalbird Last Outside?

Decades. Literally. Corten steel was invented to weather storms, snow, sun, and salt air without needing maintenance or replacement. It’s been used for bridges, buildings, and monuments that stand for 50+ years without protective paint. Expect your b