water pipe joint leak repair heat resistant ptfe tape

How To Use Teflon Tape

Teflon tape is a very thin white tape used to wrap the threaded ends of metal and plastic pipes to lubricate the threads and prevent leaks where pipes join. The thin tape fills the minute gap between the male and female pipe threads stopping water leaks. The alternative is to use pipe dope, a paste type material which also seals and lubricates, allowing for a tighter joint. There is also a another variety of thread seal tape that is yellow. The yellow tape is heavier and is for use on gas line connections. Never use regular, white, Teflon tape on gas connections.

Caution: Please read our safety information before attempting any testing or repairs. Use of PTFE Teflon tape does not guarantee a leak free connection. Always inspect connections, with water pressure, for leaks before sealing them from access.

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