Let's Settle It - Which is Thicker Schedule 40 or 80?

If you're browsing the plumbing section of a hardware store staring in two pipes that look almost similar, you're probably asking yourself which is thicker schedule 40 or schedule 80 . It's a typical point of dilemma for anyone tackling a home renovation, setting up up a fresh irrigation system, or even just building a DIY project out of PVC. While they may appear to be twins through a distance, the difference in wall structure thickness changes from how much pressure they could handle in order to just how much you're heading to pay from the register. ...

April 9, 2026 · 6 min · Colvin Cris