Do Galvanized Pipes Rust?

Galvanized pipes are steel pipes that have been dipped in a protective zinc coating to prevent corrosion and rust. ... Today, however, we have learned that decades of exposure to water will cause galvanized pipes to corrode and rust on the inside.

How long does it take for galvanized pipe to rust?

Even the thin layer that coats galvanized water pipes is enough to protect the iron or steel from rust for decades. Without the zinc, iron and steel can start to rust within a year or two.

How do you keep galvanized pipes from rusting?

The best way to protect against metal-to-metal corrosion is to insulate the metal. For piping, consider installing insulators, such as wear pads or pipe shoes. Insulators add a buffer between metals, so the metal stays durable longer.