PEX Piping: A Water Quality-Aware Upgrade for Your Home

When considering plumbing alternatives for your home, PEX piping stands out as a highly efficient and reliable choice compared to traditional metal pipes like copper. This article explores why PEX, or cross-linked polyethylene, is preferable for both DIY enthusiasts and professional plumbers. With a focus on water quality and the ease of installation, we will delve into the benefits of using PEX over copper in various home renovation and repair scenarios.

PEX vs Copper: My Personal Experience

As a DIYer, I have a wealth of experience with both PEX and copper pipes. When tackling repairs on copper piping, copper is the go-to for its inherent durability and heat resistance. However, for new installations, PEX has proven to be a superior option time and again. One of the main reasons is the hardness and acidity of water. PEX piping is known to last longer and maintain its integrity under various water conditions, whereas copper can degrade more quickly in hard water or acidic environments.

I have used both PEX-B and copper pipe for my projects, and the Reliability of PEX has stood out. My PEX joints have never required redoing, whereas copper joints have occasionally needed to be resweated multiple times. This durability is particularly important in homes built with challenging water conditions.

PEX Piping in Established Homes

For a 50-year-old home on a slab foundation, plumbing upgrades have been a necessity. The second time I encountered a leak under the slab, the plumber initially suggested rerouting the pipe through the attic using PEX. Although his boss suggested installing copper instead, it still brought into focus the benefits of PEX in new installations.

Since then, during major renovations, I have rerouted the majority of my plumbing systems using PEX through the attic. I prefer the Homerun System, where every line directly ties to the central manifold. This design offers several advantages, including easier access and more precise control of individual fixtures. While it does require more pipe, the manifold with built-in valves allows for selective shutoff, reducing overall maintenance needs.

The Perks of PEX Piping in Unconditioned Spaces

There are key considerations when using PEX in unconditioned attic spaces. Mine is currently an unconditioned attic space, which means that the water can be quite cold in winter and somewhat warm in the summer. However, plans are in place to move insulation to the roof decking, which will mitigate these temperature extremes and improve water temperature consistency.

When using PEX, hydraulic isolation is crucial for preventing leaks and ensuring efficient water flow. Employing a homerun system reduces the number of connections per pipe, significantly lowering the risk of water leaks and pipe failures.

Expert Tips and Connectors

Finding the right tools for PEX installation can make the process easier. A PEX cut tool can slice through the pipe in just three seconds, and specially designed SharkBite connectors are not only pricey but well worth the investment. These connectors eliminate the need for soldering, providing a fast and reliable connection option that is perfect for both DIY projects and professional installations.

Conclusion

PEX piping offers a robust solution for addressing the challenges of water quality, particularly in older homes. With its ease of use, durability, and versatility, it has become my go-to choice for both new installations and renovations. While initial installation costs may vary, the long-term savings and peace of mind make PEX a worthwhile investment. Whether you are a professional plumber or a DIY enthusiast, PEX piping is definitely worth considering for your home renovation projects.

Keywords: PEX piping, copper piping, DIY plumbing, water quality, home renovation