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Pipe Dope or Teflon Tape?

 
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Which do you prefer to use on plumbing threads?
Pipe Dope
50%
 50%  [ 3 ]
Teflon Tape
0%
 0%  [ 0 ]
Both Tape and Dope
50%
 50%  [ 3 ]
Other
0%
 0%  [ 0 ]
Total Votes : 6

Author Message
sf340dvr



Joined: 05 Jul 2005
Posts: 57
Location: Appleton, WI

PostPosted: Sat Sep 02, 2006 5:34 am    Post subject: Pipe Dope or Teflon Tape? Reply with quote

I've used mostly teflon tape in the past, but have always seen references to pipe dope in plumbing directions. I was wondering which does a better job, over time?

I've also started a poll to see which everyone prefers.
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Ron The Plumber



Joined: 30 Aug 2006
Posts: 4
Location: Eugene, Oregon

PostPosted: Sat Sep 02, 2006 8:34 pm    Post subject: Reply with quote

Always use Teflon tape on plastic male threaded fittings, water fitting that is, using pipe dope on this type of fitting will make the threads to slick causing you to over tighten, use Teflon tape and pipe dope together on all metallic threaded pipe and fitting, doing so will ensure a positive seal.
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sf340dvr



Joined: 05 Jul 2005
Posts: 57
Location: Appleton, WI

PostPosted: Mon Sep 04, 2006 3:34 am    Post subject: Pipe Dope on Plastic Fittings Reply with quote

Thanks Ron!

This seems like overkill, but I've been scoping the web and this seems to be the agreement amoung pros.

Another related question...I saw somewhere that using dope on plastic can chemically deteriorate the plastic in time, is there any truth to this?

340
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Ron The Plumber



Joined: 30 Aug 2006
Posts: 4
Location: Eugene, Oregon

PostPosted: Mon Sep 04, 2006 3:50 am    Post subject: Reply with quote

If the directions say not for use on plastic, then yes it is true.
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