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Start Specifying Uponor PEX Piping
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For the longest time, copper has been the industry standard for piping. We believe you should strongly consider Uponor’s PEX-a piping.

But What Is Uponor PEX?

Uponor PEX is a crosslinked polyethylene piping material that is durable, noncorrosive and flexible, as well it has the potential to provide freeze-damage protection. We can see the clear advantages with Uponor piping solution, and through our ATS Spec Tool, we can offer specifications that will give copper a run for its money.

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With the increased use of Uponor PEX piping, such as the superior Pex A piping by Uponor, the battle between Uponor PEX and copper has really ramped up. In this guide, we will discuss the advantages and disadvantages of each piping material to explain why we believe Uponor is the best option.

Since the 1960s, copper piping has been the gold standard in the plumbing industry. It has always been readily available and known for its longevity. However, the Uponor piping system has become the new piping of choice over the past two decades, due to its durability, flexibility and cost-effectiveness.

Advantages of Uponor PEX VS copper:


One of the leading factors that contribute to the rise of Uponor PEX piping’s popularity is the significant cost savings it offers. Most Uponor piping solution options are one-third the cost of copper. Even with the equipment required to install the fittings, Uponor PEX piping is still more cost-effective in a medium-sized job. An added benefit is the speed of connections compared to soldering copper.


Uponor piping is the most flexible of all piping types. It allows for the tightest bend radius, just 3½ inches for a ½-inch pipe. This flexibility offers many advantages, such as fewer connections with each change in direction. The reduced number of fittings result in increased reliability as well as reduced water pressure drops.

Withstands Freezing

Unlike rigid copper pipes which burst when they expand in freezing conditions, flexible Uponor PEX-a can expand without bursting. Uponor pipe is the only pipe that meets the WQA ORD1502 standard to withstand static freeze-thaw cycles. This makes Uponor more resistant to changing water temperatures. Along those same lines, you can also easily repair kinks from Uponor PEX-a pipes by using a heat gun. However, with copper pipes, you have to replace the piping.

Easier To Work With

Uponor ProPEX F1960 expansion fittings are much faster to install than copper sweat. Additionally, soldering copper pipes can be quite toxic. With Uponor ProPEX, the installer uses one simple tool to expand the pipe and an expansion ring to allow enough room to insert a fitting. As the pipe and ring shrink back down to their original size, it creates a solid, strong connection that only continues to get stronger over time. And because the fitting is the same internal diameter (ID) as the pipe, it’s impossible to dry fit. Also, the larger diameter fittings reduce the possibilities of water pressure drops.

Pex vs Copper
Uponor PEX-a pipe expands to allow the insertion of a larger-diameter Uponor ProPEX F1960 expansion fittings without any additional clamps, creating the only Uponor piping solution connection system that actually continues to get stronger over time.

Best of all, Uponor PEX piping is available with numerous product offerings to address most commercial applications.

Reduced Calcium Build Up

Uponor PEX-a won’t corrode like copper. If you live in an area with acidic water, copper can corrode over time. Uponor PEX-a resists the damaging effect of harsh/acidic water and is, therefore, a better choice in these areas.


Last but not least, Uponor PEX piping requires less energy to produce and has a lower carbon footprint. It is also tested and listed to NSF/ANSL for safe drinking water.

Book a demo to learn more about Uponor’s PEX A piping, or to specify it on the ATS Spec Tool.

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