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Galvanized piping
Galvanized piping is steel pipe coated with zinc, once common for water supply but now considered outdated.
Why it matters
Galvanized pipes corrode from the inside over time, reducing water flow and eventually leaking. Replacement is often recommended.
Where people get this wrong
Low water pressure is a common symptom of corroded galvanized pipes. The outside may look fine while the inside is nearly blocked.
Real-world example
An older home has weak water pressure. A plumber cuts open a section of galvanized pipe and it is almost completely blocked with rust and scale.
Where this hits your build
This comes up during rough-in and final fixture installation. Accessibility for future repairs matters as much as the initial install.
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