Copper vs. PEX vs. PVC: Choosing the Right Pipe Material
Pipe selection is one of those home-improvement decisions that influences everything from repair frequency to upfront installation costs. Copper, PEX (cross-linked polyethylene), and PVC (polyvinyl chloride) are among the most common materials used for water and drainage systems, but they are not interchangeable. The “right” choice depends on whether you’re routing water supply lines, handling hot versus cold flow, or building drainage and venting.
Copper: durable, proven, and often code-favored
Copper has long been a standard for potable water supply lines. It resists corrosion when installed correctly and provides reliable performance across a wide temperature range. Many jurisdictions favor copper for water service because it’s widely understood, and its behavior over decades is well documented.
However, copper is typically more expensive than plastic options, and installation can be ... Read more »

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