The answer to 'repiping overflowing' is that a home's plumbing system may need to be repiped if it is experiencing frequent or severe overflows. Overflowing can be caused by old, damaged, or improperly installed pipes that have become clogged or corroded over time. Signs of this issue include slow draining sinks, gurgling sounds, and water backing up through drains.
Repiping the home's plumbing system involves replacing the existing pipes with new, higher-quality materials like copper, PEX, or PVC. This is a major project that requires professional plumbing expertise and should not be attempted as a DIY task. A licensed and experienced plumber can assess the extent of the problem, obtain any necessary permits, and complete the repiping work properly and safely.