Slate floor in a bank

hogjowl

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Prattville, Alabama
I've cleaned this one before with Powermax and didn't see anything that concerned me afterward, but since it's slate, and I don't do it normally, is there anything wrong with cleaning it with an alkaline product?

It's green ... if that matters.
 

hogjowl

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Oct 7, 2006
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Prattville, Alabama
Ah... that explains why I didn't have any problems. I did it last time with my old TCS rig that won't clean above 600 psi.

I would have cranked the Cleanco up to 1000 or maybe even 1200 psi if you hadn't told me.
 

Zee

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Also look out for possible layer peeling. It really really sucks, when a piece of the slate gets stuck in your spinner's vac slot and you proceed to scratch the heck out of it.


But as far as your question.... I don't think alkaline will hurt it. If it didn't hurt the first time....

I'd be more concerned about the oxygen in Powermax..
 

Zee

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Maybe around here they got shipments of the peeling types back in the 80s...Homes built then, is where I have come across it.
 

Mikey P

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I gave a bid on the most high profile building in the whole valley here today.

Well, maybe the state capitol is more important but this building sees TONS of traffice 24/7/365..

Landing this is a game changer..

20160309_141555.jpg


I had to find a clean spot under a rug to prove to them that I did not bleach the color out of the grout..
 
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