Serious question, a 30 year fitter at the Local 169 hall in Detroit told me to stop grinding my tacks before the root pass and I switched that same day

Felix Ross · 2026-10-09T13:45:04.287789+00:00

He said grinding tacks thin is why my roots kept sucking back at the start, and after 3 test plates with untouched tacks I finally passed the bend test, so who else learned tack prep from an old timer instead of a book?

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Serious question, a 30 year fitter at the Local 169 hall in Detroit told me to stop grinding my tacks before the root pass and I switched that same day | Boilermakers - Opinions Matter