Is Cast Iron Plumbing the Same as Galvanized? The Truth Experts Don’t Want You to Know

Is Cast Iron Plumbing the Same as Galvanized? (Spoiler: No—and Here’s Why) If you’re a homeowner in an older house—say, built before the 1970s—you’ve probably seen thick, dark pipes running under your sink or through the basement. Maybe you’ve heard them called “cast iron” or “galvanized,” and assumed they’re the same thing. You’re not alone.…