Should I Replace Galvanized Plumbing? Things to Consider

If you live in an older home, chances are that your plumbing system is made of galvanized pipes. While these pipes were once a popular choice due to their durability and affordability, they are now considered outdated and can cause a range of issues.

If you’re experiencing problems with your plumbing or are considering a home renovation, it may be time to consider replacing your galvanized pipes with newer, more efficient materials.

In this discussion, we’ll explore the common problems associated with galvanized plumbing, the benefits of replacing galvanized plumbing, and the available options for upgrading the system.

galvanized pipes
(photo: pixabay)

Things to Consider When Planning to Replace Galvanized Plumbing

What Is Galvanized Plumbing?

Galvanized plumbing refers to a type of piping that was commonly used in homes built before the 1960s.

Galvanized pipes are typically made of steel or iron and coated with a layer of zinc to prevent rust and corrosion. They have a silver-gray color with a matte finish and a rough texture. Over time, they may develop a patina or rust-colored coating. These pipes are often threaded and joined with fittings or welded together.

They were once a popular choice for plumbing because they were relatively inexpensive and durable.

However, over time, galvanized pipes can develop a variety of problems that can affect the quality of your water and the integrity of your plumbing system.

Common Problems With Galvanized Plumbing and Things to Do

Galvanized plumbing is a type of piping made of steel that has been coated with zinc to prevent rust and corrosion. However, over time, galvanized pipes can develop several common problems that may require repair or replacement. Here are a few common issues and their solutions:

  • Rust buildup: Over time, the zinc coating on galvanized pipes can wear away, allowing the steel underneath to rust. This can cause a buildup of rust in the pipes, which can reduce water pressure and eventually cause leaks. To fix this issue, you may need to replace galvanized plumbing pipes with new ones made of a different material, such as copper or PEX.
  • Clogs: Galvanized pipes are prone to developing mineral and sediment buildup over time, which can lead to clogs in the plumbing system. To fix this issue, you can try using a plumber’s snake or a chemical drain cleaner to clear the clog. However, if the clog is severe or recurring, you may need to change those pipes or sections.
  • Leaks: Galvanized pipes can develop leaks over time, especially at the joints and connections between pipes. To fix a leak, you can try tightening the affected joint with a pipe wrench. If this does not stop the leak, you may need to replace the affected section of pipe.
  • Corrosion: In some cases, galvanized pipes can develop corrosion that can weaken the structural integrity of the pipes. To fix this issue, you may need to replace corroded pipes with new ones made of a different material.

Overall, the best way to prevent common problems with galvanized plumbing is to perform regular maintenance, such as flushing the pipes to remove mineral buildup and checking for signs of rust or corrosion. If you do experience any issues with your galvanized plumbing, it’s important to address them promptly to prevent more significant damage to your home’s plumbing system.

When to Consider Replacing Galvanized Plumbing?

Here are some indications that it may be time to replace your galvanized pipes:

  • Low water pressure: If you’re experiencing reduced water pressure in your home, it could be a sign that your galvanized pipes are corroded and obstructed.
  • Discolored water: If your water is coming out of the taps with a brown or yellowish color, it could be an indication that there is rust and corrosion inside your pipes.
  • Leaks: If you’ve noticed leaks in your plumbing system, it could be a sign that your galvanized pipes have weakened and need replacement.
  • Age of your plumbing: If your plumbing system is more than 50 years old and you haven’t replaced your galvanized pipes, it’s likely that they’re starting to show signs of wear.
  • Health concerns: If you’re worried about lead in your water supply, you may want to switch to different material. In some cases, galvanized plumbing can be bad for you.
  • Renovations: If you’re planning a home renovation that involves plumbing work, it may be a good time to consider replacing your galvanized pipes with newer, more durable materials, such as PEX or copper.

Pros and Cons of Replacing Galvanized Plumbing

There are both advantages and disadvantages to replacing galvanized plumbing. Here are some of the pros and cons to consider:


  1. Improved water quality: By changing your galvanized pipes with copper or PVC, you can improve the quality of your water by eliminating rust, corrosion, and mineral deposits.
  2. Increased water pressure: Newer pipes can provide better water pressure and flow, which can improve the performance of your plumbing fixtures and appliances.
  3. Reduced risk of leaks: Newer pipes are less likely to develop leaks, which can save you money on costly repairs and water damage.
  4. Health benefits: By replacing galvanized pipes, you can eliminate the risk of lead exposure in your water supply, which can have significant health benefits for you and your family.


  1. Cost: Replacing galvanized plumbing can be expensive, particularly if your home has a large number of pipes that need to be changed.
  2. Time: This can be a time-consuming process, and it may require you to temporarily shut off your water supply, which can be inconvenient.
  3. Disruption: The process of replacing plumbing can be disruptive to your home, as it may require cutting into walls or floors and creating dust and debris.
  4. Incompatibility: In some cases, newer pipes may not be compatible with your existing plumbing fixtures or appliances, which could require additional upgrades or replacements.

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I Want to Replace Galvanized Plumbing, What Options Do I Have?

If you have decided to replace your old galvanized plumbing, there are several options available to you. Here are some options:

  • Copper piping: Copper piping is a popular choice due to its durability, longevity, and resistance to corrosion. Copper pipes are also easy to work with and can be installed using a variety of methods, such as soldering, compression fitting, or crimping.
  • PEX: PEX piping is a newer type of plumbing material that is becoming increasingly popular due to its affordability, flexibility, and ease of installation. PEX pipes are made of a flexible plastic material that can be bent and shaped to fit around corners and obstacles, making it easier to install in tight spaces. They can be installed using compression fittings or crimp rings.
  • PVC: PVC piping is a type of plastic piping that is commonly used for drainage and waste plumbing. While it is not recommended for use with potable water, it can be a good choice to replace old galvanized drain pipes.
  • CPVC: CPVC is a type of plastic pipe that’s similar to PVC but is specifically designed for hot water applications. CPVC is resistant to high temperatures and is a good choice to use for hot water.

It is important to note that the best option for redoing your existing plumbing will depend on a variety of factors, including your budget, the condition of your existing plumbing system, and your specific needs and preferences. It is recommended that you consult with a licensed plumber who can evaluate your plumbing system and provide recommendations for the best course of action.

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Should I Buy a House With Galvanized Plumbing?

Galvanized plumbing can be a major factor to consider when buying a house.

On the one hand, homes with galvanized plumbing may have a lower purchase price and add historic charm.

On the other hand, galvanized pipes can pose serious health risks and be bad for you, due to leaching lead into the water supply.

Additionally, galvanized plumbing requires regular maintenance to prevent corrosion and leaks, which can be costly and time-consuming.

Before making a decision, it’s important to have a licensed professional inspect the plumbing system to determine its condition and estimate any necessary repairs or replacement.

Ultimately, the decision to buy a house with galvanized plumbing will depend on your budget, your tolerance for maintenance and repairs, and your long-term plans for the property.


In conclusion, if you have an older home with galvanized plumbing, it is recommended that you consider changing the pipes because of the problems they can develop.

Replacing galvanized plumbing with new pipes made of a different material, such as copper or PEX, is often the best long-term solution. While repairs may be possible in some cases, changing the entire plumbing system will ensure that you have reliable and safe water flow throughout your home.

If you are unsure whether your plumbing system needs to be upgraded, it is best to consult with a licensed plumber who can evaluate your plumbing system and provide recommendations for the best course of action.

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