What are the disadvantages of copper pipes?

Author: Prof. Eli Sipes  |  Last update: Sunday, December 21, 2025

Disadvantages of Copper Pipes Copper piping is expensive. It can cost 10 to 15 times more when compared to other types of pipes. Copper may also freeze easily. If your home runs on well water, copper pipes could have problems if the water is acidic.

Why do plumbers not use copper anymore?

Copper pipes are pretty terrible. Copper reacts with minerals and chemical additives in the water. After a long time, the copper pipe will wear out. You end up with a leak.

Do plumbers prefer PEX or copper?

Copper is usually preferred for water supply lines and heating systems but plex is most often used for drain or waste lines because copper corrodes over time. Ultimately, it's up to the homeowner to decide where to spend the construction budget.

Is it better to use copper or plastic pipes?

Health Benefits: Copper pipes are generally considered safer for drinking water. Copper has natural antimicrobial properties, which can help reduce the risk of bacterial contamination. Durability: Copper is more durable and can withstand higher temperatures and pressures than PVC.

What is the problem with copper pipes?

Hard or acidic water can corrode copper pipes more quickly. High mineral content, chlorine, or low pH levels in the water can exacerbate the problem.

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Why did they stop using copper pipes in houses?

Vulnerable to Damage

Plumbing failures can be caused by defective copper pipes several years after installation. Acidic water can be very bad for copper systems. Scale builds up inside the lines and blocks the flow of water through the plumbing system.

What are 2 disadvantages to using copper pipe?

Disadvantages of Copper Pipes

Copper piping is expensive. It can cost 10 to 15 times more when compared to other types of pipes. Copper may also freeze easily. If your home runs on well water, copper pipes could have problems if the water is acidic.

What is the most reliable pipe in plumbing?

Copper Pipes

Copper pipes remain popular among plumbers and homeowners alike because they are corrosion-resistant and best suited to protect the quality of the water. Copper pipes are able to handle high water pressure and are tolerant of both hot and cold water temperatures.

What is the life expectancy of copper pipes?

Brass, cast iron, and galvanized steel have a life span of 80 to 100 years, copper lasts 70 to 80 years, and PVC piping only survives for 24 to 50 years.

Should I replace my copper pipes with PVC?

Copper pipes offer longevity and proven performance, while PVC pipes provide affordability and ease of installation. Ultimately, the decision will depend on your specific requirements, budget, and preferences.

What is the downside of PEX?

Like any other material, multiple factors could lead to problems with PEX. Some of these factors could be simple over-chlorination of the water running through it or dezincification, which could weaken and break down the fittings used on the piping. Another issue could be the piping failing to pass a pressure test.

What is the best water line to use?

If you have high water pressure, PVC pipe is the best option. It's often used for the home's main water supply line for this reason. It's also a lightweight material that's much easier to work with than galvanized steel or copper.

Is it worth replacing copper pipes with PEX?

Coupled with low production and shipping costs, the savings resulting from installing PEX instead of copper pipes can be significant. Better Energy Efficiency – PEX has a lower thermal conductivity rate than copper. As a result, PEX pipes can help keep hot water hotter for longer periods of time.

Is copper pipe being phased out?

Its popularity soared after lead pipes became obsolete due to their unsafe nature. Today, plumbers still install copper pipes quite regularly, but you have a wide variety of other materials to choose from, too. PVC and PEX are both common and tend to be more affordable than copper.

Do new homes use PEX or copper?

Generally, PEX is used in new home construction more often than copper due to the fact that it's easier to install, less expensive, and more durable against freezing conditions.

How do I know if my copper pipes need replacing?

Is It Time for a Pipe Replacement? 7 Signs to Look Out For
  1. Cracks. There are some signs that you need pipe replacement that'll be difficult to catch. ...
  2. Leaks. A plumbing pipe doesn't have to be cracked to leak. ...
  3. Corrosion. ...
  4. Discolored Water. ...
  5. Decreased Water Pressure. ...
  6. Dangerous Materials. ...
  7. Old Age.

How long will PEX last?

PEX: Due to its flexibility and durability, PEX piping should last at least 50 years. PVC / CPVC: Under typical conditions, these pipes should last up to 100 years. Keep in mind that PVC pipes are often used for drainage because extreme heat can damage them.

How much does it cost to replace copper pipes?

Copper Piping: Copper pipes cost $2 to $12 per linear foot for the materials alone, depending on the diameter of the tube, and can have a higher plumbing installation cost when you compare copper pipe to PEX or CPVC.

Is it better to repipe a house with PEX or copper?

Copper is more likely to freeze and break.

The challenge arises more frequently in older homes needing more insulation. If you reside in a colder region or have experienced water pipe freezing, opting for PEX when it's time for a repiping endeavor is a wise choice.

What type of pipe is not recommended for a water line?

PVC is most commonly used for drain, waste, and vent lines. It is not recommended for use in potable water lines because it can leach chemicals into the water.

What pipe to use for a shower?

Use for: Rigid copper pipe is routinely used for sinks, showers, tubs, and other fixtures.

Why don't plumbers use copper pipes?

The Cons of Using Copper Pipes

Installation costs: Copper is more expensive than other piping materials. Since they're also rigid, you must incur the cost of elbow fittings. The rigidity makes them more challenging to cut and fix during installation. The longer it takes to handle the materials, the more cost you incur.

What are 5 disadvantages of copper?

Long-term exposure to copper can cause irritation of the nose, mouth and eyes and it causes headaches, stomachaches, dizziness, vomiting and diarrhea. Intentionally high uptakes of copper may cause liver and kidney damage and even death. Whether copper is carcinogenic has not been determined yet.

What are the disadvantages of PEX pipe?

PEX piping has a maximum bend radius, which can lead to stress on the pipe caused by improper installation. In addition, extreme bends and kinks place a very high local stress on the wall of the pipe, making it more susceptible to oxidative degradation.

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