General
pipe dope
What does pipe dope mean?
Thread sealant — a paste smeared on the male threads of a pipe fitting before you screw it together, so the joint doesn't leak. Different formulations for water, gas, oil, or chemical lines. The alternative is PTFE (Teflon) tape; old hands argue dope vs. tape like it's religion.
"Hit the threads with pipe dope before you spin that fitting on."
Frequently asked questions
What does pipe dope mean?
Pipe dope is thread sealant compound applied to pipe joints to stop leaks.
How do you use pipe dope in a sentence?
"Brush some pipe dope on those threads before you tighten it up."
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