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I finally gave up on magnesium floats for garage floors after a bad pour in Tacoma
Honestly, I used to swear by them for everything, but last month on a 30 yard garage job, the finish just wouldn't set right and we had to grind out a bunch of marks. I switched back to a basic aluminum bull float for the first coat and the difference in control was huge, especially on that mix. Anyone else find magnesium can be too aggressive on some pours?
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christophermurray19d ago
Wait, only one in ten? That's wild. I mean I get using them sparingly but that's way less than what I'd figure. I agree with @noahw53, if your mix is that wet all the time you're basically asking for trouble on a big pour anyway. On a 30 yarder here in the PNW I'd be cutting my water back way before I worried about what float I was using, but maybe that's just how I was taught.
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garcia.miles2mo ago
My buddy in Spokane said he only uses magnesium floats on super wet mixes now, like maybe one in ten jobs.
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