should i use teflon tape on pvc fittings

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should i use teflon tape on pvc fittings插图

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Don鈥檛use Teflon tape, Teflon paste or pipe dope. Teflon paste and pipe dope, just like Teflon tape, make threaded joints slippery. Their use on PVC fittings can be an invitation to over-torque.

People also ask


  • What happens if you put Teflon tape on PVC pipe?

  • When Teflon tape is wrapped around plastic male threads it adds to the strain and tensile stress. Teflon paste and pipe dope, just like Teflon tape, make threaded joints slippery. Their use on PVC fittings can be an invitation to over-torque.

  • Can I use teflon instead of thread seal tape?

  • Some plumbers and other workers use both these products in the same application, adding a thin coat of a pipe joint compound over the thread seal tape to insure a watertight or airtight seal. Another alternative to thread seal tape is Valve packing, which is another form of Teflon.

  • Are Teflon tape and PTFE tape interchangeable?

  • All of these terms refer to the same product at the end of the day. Still, Teflon tape and PTFE tape are acceptable, interchangeable terms. You鈥檒l still be handed the right item at the hardware store, whichever you choose.

  • Why can鈥檛 you use Teflon in a PVC joint?

  • PVC does not have the strength to withstand the combined loads of tightening along with the bulk of the Teflon being 鈥減acked鈥?into the root/crest voids. It is easier to split smaller diameter threaded joints than larger ones since the stress and strain loads are greater.

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