corrugated metal roofing

https://standingseammetalroofzone.novacrestiq.com/posts/why-a-standing-seam-metal-roof-austin-homeowners-are-choosing-for-long-term-value

That old corrugated metal roofing on the shed has weathered to a soft, rusty brown, and when it rains, the sound is a soothing, rhythmic drumming. It's not fancy, but it's tough and sheds water like nothing else, a classic farm staple that just keeps going.