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Thread: Basic teflon tape question

  1. #1
    DIY Member littlebrook's Avatar
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    Default Basic teflon tape question

    Hi,

    How many times do you need to wrap teflon tape around a screw thread to make sure that it doesn't leak?

    Thanks

  2. #2
    Plumber Cass's Avatar
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    Teflon tape is not normaly used on screws...it is normaly used on pipe threads.

  3. #3
    DIY Member littlebrook's Avatar
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    Sorry, that's what I meant, a pipe thread

  4. #4
    Plumber Cass's Avatar
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    I use 4-6 wraps depending on the thread depth which changes due to China imported junk.

  5. #5
    Master Plumber Redwood's Avatar
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    Then after its all wrapped up I slather a little teflon paste on it.
    Just for good luck!

  6. #6
    Plumber jimbo's Avatar
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    I always use the yellow tape, which is thick enough to do some good! and 1 to 2 wraps is sufficient. The super thin white tape...I guess you need more, but too much tape is not always a good thing.

  7. #7
    Plunger/TurdPuncher kingsotall's Avatar
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    Quote Originally Posted by Redwood View Post
    Then after its all wrapped up I slather a little teflon paste on it.
    Just for good luck!
    what Redwood said

  8. #8
    Moderator & Master Plumber hj's Avatar
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    Default tape

    Metal threads are not too critical because they will absorb the stress of over taping. PVC threads, however, will crack if you use more than 2 or 3 layers of tape.

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