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Removing tire marks before sealing

JaySlab442

Member
Joined
Oct 30, 2011
Messages
9
Location
Piedmont, OK
Hello all, I have been reluctant to post about this because there is already so much information here. I am trying to remove tire marks from my slab before applying U140 sealer. I've tried various chemicals with vigorous brushing and rinsing, and it's way better, but I have a few really stubborn spots. The only thing I've tried that works on the stubborn parts is scrubbing with a ScotchBrite type pad I had lying around for cleaning grills. But that's a lot of work and is no fun. So, I am contemplating renting a floor maintainer and grabbing a couple of black pads to clean the whole floor.

First question - Is there an easier way that you personally have had success with? I have tried a consumer grade d-limonene based citrus cleaner, Zep concrete and driveway cleaner, and Simple Green. (Not all at the same time. :LOL:) With dwell time and lots of scrubbing and they all work about the same. I have heard commercial d-limonene solvent may work better, but I am skeptical.

Second question - If I use a black pad on a floor machine, will it strip all the "cream" off this new concrete? Will it noticeably alter the surface?

The floor was hand troweled. It's pretty smooth, but inconsistent and far from being polished, but it's good enough for me. I'd like to keep it as least as smooth as it is now, if possible. (If I had it to do over, I'd get a different concrete guy - but that's another story.)

All constructive suggestions are immensely appreciated, and thank you for reading this far. :)
 
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JaySlab442

Member
Joined
Oct 30, 2011
Messages
9
Location
Piedmont, OK
Since I can't delete this I will share the answer: A black pad on a 175 RPM floor maintainer. Taking my sweet time I think it took about 2 hours with the actual machine, plus time to rinse thoroughly with the pressure washer. There was a small amount of concrete slurry in the rise water, but it did not noticeably change the surface finish. It just looks clean. Today I am applying Covertec U140 sealer.
 
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