[Greenbuilding] Redoing all floors

[Jason Holstine]

Hi Andy,

Tell that to my own concrete, when a customer decided to spill a gallon of
paint, and we used our soy-based paint stripper and it tore right through
the spilled paint, sealer, and soy-based stain so the concrete ended up
looking bare.  It doesn¹t have to be an acid etch to ³etch² up the sealers.
Ultimately, the success of the approach depends on the concrete and how deep
these finishes/stains were allowed to get.  If the concrete was messed up,
they may well be sitting more on top than in it.



On 7/27/11 3:49 PM, "Andrew Pace" <andy at safebuildingsolutions.com> wrote:

> Jason...acid etching the concrete won¹t remove the sealer and paint stripper
> won¹t remove the stain.  Acid etching only works when the acid has ³access² to
> the free lime in the concrete.  The sealer...seals it...so this isn¹t an
> option.  The stain should be in the concrete and not on top of it, so
> stripping wont be effective.  The only way to remove the sealer and stain
> would be to shot blast.
> 
> Andrew Pace
> Green Design Center®
> Waukesha, WI
> 
> 
> 
> 
> On 7/27/11 2:36 PM, "Jason Holstine" <jason at amicusgreen.com> wrote:
> 
>> Can you etch the concrete to remove the current sealer, strip the stain with
>> paint stripper, let the concrete properly dry and cure, then go back and
>> stain and refinish?
>> 
>> Also ­ any concrete will naturally have a certain unpredictability in the
>> finish pattern, with random burnishing and highs and lows of color. So I
>> typically recommend take advantage of that, fly with it, and stain with a
>> creative, random, very cool stain pattern. You won¹t know what¹s mistake/old
>> mess-up and what¹s intentionally part of the pattern.
>> 
> 
> 
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