What is better PEX or copper pipes?

PEX pipe is not only cheaper than copper but more durable too. PEX is immune to corrosion and mineral build-up, and it's not affected by electrolysis, which can cause small pinhole leaks in copper piping. Copper pipes can last anywhere from six months to the life of a building.
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Should you replace 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.
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Which lasts longer PEX or copper?

Benefits of Copper Pipes

Copper has a longer lifespan than PEX pipes. While you can expect PEX to last for 30 to 50 years, copper piping will outdo it by about two decades, with a typical lifespan of 50 to 70 years. Copper is a more durable option that isn't susceptible to rodents or sunlight.
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How long will PEX tubing 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.
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What are the disadvantages of PEX?

PEX Plumbing Disadvantages
  • PEX may leach BPA and other toxic chemicals. ...
  • PEX is extremely sensitive to UV light. ...
  • PEX can be damaged by chemicals and pests. ...
  • PEX can't be installed in high heat areas. ...
  • PEX is semi-permeable, which means liquid can enter the pipe.
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PEX vs COPPER for Plumbing - Which Should You Use and Why?



Do mice chew on PEX?

Rodents Chewing Through PEX Pipe is a common problem in our area. It doesn't matter how old your home is, if you have an attic, you need to watch for rodent damage to PEX Pipe or PVC. If you're hearing rustling noises coming from the attic, it's time to do an inspection.
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Do plumbers like PEX?

All this makes PEX an excellent piping material for hot and cold water systems, especially since it is flexible and well adapted for temperatures below freezing all the way up to 200 degrees Fahrenheit. PEX is easy for plumbers to install and has fewer joints, bringing your costs down.
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What is wrong with PEX plumbing?

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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Do rats eat PEX pipe?

The Problem

Mice and rats will chew through anything they can, including plastic, so PEX tubing is at just as much risk as the plastic-coated wiring in a car or an HVAC unit. While all rodent damage can be expensive, if rodents chew through a home's PEX water pipes, the result can be disastrous.
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Is PEX pipe OK for hot water?

Color-Coded: Red PEX pipes can be used for hot water supply lines, blue PEX for cold water supply, and white for either hot or cold. These colors are just for your convenience. Plumbing code does not require the pipe color to match the type of water supply.
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Is PEX safe for drinking water?

There are no health risks associated with drinking water from PEX pipes. A few types of PEX-pipe may cause prolonged undesirable taste and odour if the water remains in pipes over time.
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Do plumbers still use copper pipes?

No longer is copper piping the primary, or preferred, choice of most homeowners and plumbers. Cross-linked polyethylene flexible tubing—commonly called PEX—has grown in popularity for residential plumbing over the past few decades as an alternative to traditional copper and chlorinated polyvinyl chloride (CPVC) piping.
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What pipe is best for plumbing?

Copper. Copper pipes are probably the most traditional plumbing pipe used due to their extensive duration and reliability. They provide superior corrosion resistance, great material to be used for hot and cold water, and it can be managed easily.
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When did they stop using copper pipes in houses?

Copper was the plumbing pipe of choice from the 1950s until 2000 and was widely used both in new construction and to replace the galvanized steel water supply pipes that had been the standard into the 1950s.
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Will PEX freeze and burst?

PEX pipes, just like any pipe, can freeze when the temperature drops too low. Because the pipes are designed to be flexible, PEX has the ability to expand. Although it is still possible for them to burst, this means PEX pipes are less likely to rupture after freezing.
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Does PEX freeze?

Frozen PEX Pipes Have a Unique Reaction. Due to its flexibility, PEX can expand under the damaging pressure caused by ice formation. If the weather gets cold enough, PEX pipes can and will freeze like any plumbing. However, PEX may be less likely to rupture as a result of freezing.
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What causes PEX pipe to leak?

Extreme bends and kinks place a very high local stress on the wall of the pipe making the pipe susceptible oxidative degradation. This is especially true in southern climates where the chlorine levels run high. This PEX pipe was bent beyond its limit and developed a leak at the stress point.
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Will PEX last 100 years?

Additionally, long-term testing programs on PEX have shown that it has a potential lifespan of more than 100 years. So, while copper systems may have to be re-piped every few years or decades due to corrosion and pinhole leaks, a PEX system can last 10 times longer — or more.
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How much does it cost to Repipe a 2000 square foot home?

Cost to Install or Replace Plumbing Pipes

Rough-in plumbing for new construction costs $8,000 to $12,000, or about or about $4.50 per square foot for an average 2,000 square foot home with 2 or 3 bathrooms. Repiping an existing home the same size runs $3,100 to $5,500, or $0.40 to $2.00 per linear foot.
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Does PEX degrade over time?

Generally, PEX does not deteriorate. But, PEX will deteriorate if it's left in the sun. PEX has an expected life of 25 to 40 years. Therefore, it is expected that it will need to be replaced 40 years after it has been installed.
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What are the pros and cons of PEX?

Pros: Fast and easy to learn, quick to install, relatively inexpensive, tools and products readily available at a variety of retailers. Cons: Crimping works against the “shape memory” of PEX, which always wants to return to its natural shape.
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Can I use PEX for shower plumbing?

Use threaded PEX water line fittings for shower valves. Tighten the fittings before crimping the PEX water line. A plastic bracket forms the sharpest 90-degree angle permitted for this brand of PEX.
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Is it better to use copper or plastic pipes?

More popularized than other metals thanks to its softer material and flexibility, copper pipes are slightly more resistant to water corrosion than other metallic pipes and generally is durable for the long-term whereas plastic pipes are not.
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