Copper pipe corrosion is the leading cause of leaks and ... A professional plumber would cringe at what I've done. Epoxy putty is another quick fix for a leak in copper pipes.

Cutting copper usually creates these sharp-edged burrs, and they need to be removed for your soldering to work properly. Clean dirt and corrosion off the outside of the pipe end with a 120-grit ...

As a mechanical contractor, I sweat a lot of copper pipe, yet people don't believe me when I say the preparation is more important than the torch work. Even the experienced tend to rush the job ...