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Re: [Shop-talk] Epoxy floor

To: Jack Brooks <>, Shop Talk List <>
Subject: Re: [Shop-talk] Epoxy floor
From: "Elton E. (Tony) Clark" <>
Date: Mon, 18 Nov 2013 21:30:29 -0600
References: <> <> <> <> <06045B9CE9A44421A144A5A4C874667C@Antec300>
Third time's the charm;
I had to learn the hard way but the "etch" process is critical:  one can't
just pour and broom around muriatic acid in etching;  what worked for me is
to use a big plastic watering can from the garden store:  make sure *every
square inch of floor* gets contact with *fresh* acid from the sprinkler.
The acid is quickly "killed" by it's reaction with the concrete and becomes
neutralized it seems to me.

On 18 November 2013 21:01, Jack Brooks <> wrote:

> On 10/30/2013 1:55 PM, Doug Braun wrote:
> > My garage is 24' x 24' with a nice smooth crack-free concrete floor, and
> > the house is about 30 years old.  When I bought the house 7 years ago, I
> > painted the floor with epoxy (one of those kits form HD).  I did a
> careful
> > job with the prep, including a power-washing and an acid etch, and the
> job
> > looked great for a while, but after a couple of years it started
> > blistering, and and now it has random bare spots all over the place.
> During your wet season duct tape a 2x2 foot square of plastic over one or
> more of the blistered areas and see if you get condensation under there
> after a few days.  Unless those spots were still a bit oily, moisture might
> be your issue.
> Jack
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