Scrubber leaving streaks on painted concrete floor - Cleaning Talk - Professional Cleaning and Restoration Forum
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post #1 of Old 09-19-2019, 06:28 PM Thread Starter
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Location: Queensland, Australia
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Scrubber leaving streaks on painted concrete floor

Hi All

I am experiencing problems when scrubbing a painted concrete floor. Does anyone have any ideas on how to overcome this?

I scrub a painted concrete floor in a retail trade shop once a month. I use a machine to scrub the floor with water only. The scrubber has a squeegee and a vacuum to remove the dirty water.

When I empty the dirty water from the machine it is almost black! The floor looks OK before scrubbing but it really is dirty. Last night I wet a cloth and wiped the floor and the cloth was black. So the floor does have a lot of dirt.

Before scrubbing I dry mop the floor to remove any debris. Then I scrub moving up and down the isles. When I have finished, there seems to be a white film or white streaks along the floor.

I have tried following the scrubber with a mop and that seems to help a little but it still leaves streaks.

The scrubber works very well on other jobs (e.g. tiled floors) with no such problem. The scrubber is cleaned thoroughly before each job.

I have considered that perhaps we need to scrub more frequently or use a different machine (e.g. one with rollers rather than the rotary scrubber).

Any ideas will be appreciated.
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post #2 of Old 10-08-2019, 01:52 PM
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Location: Dublin
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The machine could be fitted with the wrong squeegee. Or the squeegee could be damaged and is losing water. Or the surface that you wash is very uneven - for a squeegee to work well has to be flat. One of those reasons 100%

I was washing my shop with a taski scrubber and the floor was all steaks and marks. I have discovered that the squeegee was way to soft and it was not attaching to the floor. Changed the squeegee and the problem was sorted. I also had problems with small sand particles getting stock in the squeegee so i start vacuuming before washing the floor. Problem resolved.

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post #3 of Old 10-08-2019, 03:46 PM Thread Starter
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Location: Queensland, Australia
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Thanks for the suggestions. I have been using a static mop to remove surface dirt etc. I use the same machine on a tiled floor and it works perfectly. The polished and painted concrete floor has indents, swirls etc in the concrete. Perhaps that's part of the problem too.

Much appreciated.
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