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Old foreman told me to grease threads on rebar couplers, laughed it off for months
My foreman Dave on a job in Austin kept saying grease the threads or you'll regret it. I figured it was just old guy habit, so I skipped it on about 30 couplers for a retaining wall. Three weeks later we had two couplers seize up during tensioning and had to cut them out with a torch. Cost us a whole afternoon and $400 in wasted material. Has anyone else had luck with anti-seize on these things or is it just a waste of time?
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kevin_adams3mo ago
Betting the guys who designed the couplers already factored in thread friction to the torque specs and you were throwing that off by running them dry.
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jordan1843mo ago
Grease is cheap compared to cutting out seized couplers with a torch. A light coat of never-seize on the threads keeps them from galling during tensioning, especially in humid weather. Dave knew what he was talking about, that stuff saves time and money.
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