What is one reason to use PVC over metal piping?

Using PVC (polyvinyl chloride) over metal piping primarily offers significant resistance to corrosion, which is a key advantage in many applications. PVC is naturally resistant to a variety of chemicals and environmental factors, which makes it less susceptible to rust and degradation than metal pipes. This property is particularly advantageous in plumbing systems that may carry water with various impurities or chemicals, as well as in environments that experience high humidity or exposure to corrosive substances.

Furthermore, the corrosion resistance of PVC extends the lifespan of the piping systems, reducing maintenance costs and the need for frequent replacements. This attribute is essential in applications where the integrity of the piping system is critical, such as in the transport of drinking water, wastewater, and chemicals.

Choosing PVC over metal piping can lead to long-term savings and reliability in many plumbing and construction scenarios due to its durability in corrosive conditions. In contrast, while factors such as strength, cost, and thermal conductivity are important, they do not offer the same level of corrosion resistance as PVC, which is why this characteristic stands out as a compelling reason for its use.