All the Steps to a Successful Cast Iron Pipe Replacement Project


If you find yourself in the unfortunate predicament of needing to have your cast iron pipes replaced, you might feel some dread and anxiety about what the entire project entails. While it can feel overwhelming to think about the expense and disruption such a project will cause, we’re here to help walk you through everything you need to know about successfully replacing your cast iron pipes. At BigFoot Construction, we know how to coordinate all the players needed to get your rusted iron pipes replaced as smoothly as possible.

What to know about cast iron pipe replacement

Throughout Miami-Dade County, many older homes are equipped with cast iron pipe plumbing systems. Unfortunately, cast iron pipes can begin corroding within as little as 25 years and may wear our entirely within 40-50 years. To make this problem even more challenging, many of these rusty pipes are sitting beneath your home encased in slab of concrete foundation.

If you find yourself needing to replace your cast iron pipes, here are some steps you can expect your contractor to walk you through.

Step 1: Evaluate your foundation

Do you have a basement or a crawlspace? If so, replacing your pipes may be a whole lot easier as plumbers will have more direct access to the cast iron pipes. If your pipes are encased in concrete, however, repairing or replacing pipe sections requires jackhammering through your floor and the concrete.

Step 2: Assess the damage

Will you be able to make a spot repair or is more in-depth replacement required? Your contractor, plumber, or other skilled specialist will look for signs of water leaks and damage and help locate damaged or rusted areas. If the problem is more pervasive, which is often the case with cast iron pipes, entire sections of the pipe will need to be replaced.

Step 3: Make the repair/replacement

For homes with concrete slabs, a jackhammer or concrete-cutting saw will need to be used to break through the concrete. Beneath the cement is where the rusted iron pipe will be buried in sand or gravel. Once the pipe is exposed and evaluated for decay, the old pipes will be replaced by polyvinyl chloride PVC) pipes. They will then be reburied and new concrete will be poured.

Step 4: Clean up

Throughout the process, your crew will do everything they can to minimize the mess and disruption to your daily life. It is a big job, but at the end of the day, your pipes will be functioning properly and you won’t even know any work had been done.

If you have questions about cast iron replacement in your South Florida home, schedule a consultation to discuss your concerns.