Tips for Connecting PVC to Cast Iron Soil Stacks

Most older homes have them, and eventually, you'll find yourself connecting pvc to cast iron soil stack pipes during a bathroom renovation or a leak repair. It's one of those projects that looks a bit intimidating at first glance because you're dealing with two materials that couldn't be more different. One is heavy, brittle, and prone to rust, while the other is light, flexible, and easy to glue. But honestly, once you get the right parts in your hands, the process is pretty straightforward. ...

February 26, 2026 · 7 min · Alfred Joi