Found out the hard way why my broom finish kept screwing up

For about 6 months in Fresno, I kept getting these faint drag lines on my broom finishes, even though I thought I was doing everything right. Tried different broom stiffness, changed my timing, even switched concrete suppliers once. Then one day I watched my helper sweep the broom in a back and forth motion instead of one continuous pass. That's the whole issue, you stop or change direction mid-slab and it leaves a mark you can't see until it's cured. Now I make sure to walk the full length without pausing, anyone else dealt with this or do you use a different broom angle for the second pass?

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henry_knight11d ago

That's the thing with most tricky jobs, the problem is always something stupid simple you'd never think to check. Kind of like how my buddy spent a week trying to fix his car's weird noise and it turned out to be a loose cup holder.