Plumber’s tape is made of polytetrafluoroethylene (PTFE, aka Teflon), which helps it create a watertight seal between threaded connections. When plumber’s tape is wrapped around the male ...

No matter what you call it, the stretchy, smooth material is a handy helper for fixing minor plumbing issues. The waterproof tape helps you get a good seal on plumbing connections to prevent leaks ...