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Re: [Shop-talk] Prep/etch/sealing a new concrete floor?

To: Shop-Talk <shop-talk@autox.team.net> jWrHaaIxxZ7n8dljEM8MMP/s10/xc7gF17kcEA6E/wdH1DJSTVc72KrL6KSMLSVRIewxXmphlP3y3A==
Subject: Re: [Shop-talk] Prep/etch/sealing a new concrete floor?
From: Rochlin Robert <rrochlin@comcast.net>
Date: Thu, 15 Nov 2018 08:47:50 -0500
Delivered-to: mharc@autox.team.net
Delivered-to: shop-talk@autox.team.net
References: <430474778.1168876.1541708885132.ref@mail.yahoo.com> <430474778.1168876.1541708885132@mail.yahoo.com> <62B0EBA0-C049-4E43-97BC-AFE0CAB465BA@icloud.com> <CAFnfnRX12auDzq=fUvOGeeDp5mqpKXf8iucDAoTZDj_3CVwXPg@mail.gmail.com>
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        I also used the Rustoleum Epoxy.  The floor has work out OK, but =
there are a few patches where the concrete effervesced after application =
which led to epoxy failure. If I were to do it again, I would definitely =
not use the citrus etching product that comes with the epoxy, but as Ian =
did, use muriatic acid.  I=E2=80=99m sure that Rustoleum uses the citrus =
etch to avoid consumer suits arising from acid burns, but it is not =
nearly as effective as a muriatic acid etch.
        Bob=20

> On Nov 10, 2018, at 10:07 AM, Ian McFetridge =
<shop-talk2@mcfetridge.org> wrote:
>=20
> Hi All,
>=20
> I coated three garages and can share some of my experiences.  For the =
first two garages I used Rustoleuum epoxy with paint chips in it to =
avoid slipping.  The kit comes with citric acid that I mixed into a pump =
sprayer.  I believe the intention is to open the pores in the concrete =
so that the epoxy has some where to stick, like a physical bond as it =
seeps into the pores and sort of locks into place.  This was virgin =
cured concrete and I could see the acid loosening some of the =
construction debris and opening pores, so I scrubbed with a bristle =
brush until it was clean, let dry and then applied the epoxy.  The epoxy =
held up well for years, but as Obaa said, in two places quarter size =
chunks were lifted by hot tires over the years.  =20
>=20
> For the third garage I used a stronger concentration of muriatic acid, =
I believe it was 10% volume to volume solution, but can=E2=80=99t =
recall.  This solution clearly opened the pores in the concrete better =
and since it was a single bay I took my time to make sure it looked =
evenly etched.   I used the same epoxy and it held up without lifting =
until we moved several years later, including parking my autocross car =
in there with sticky race tires (Hoosiers). =20
>=20
> One thing I=E2=80=99ve seen that I=E2=80=99d like to try is to polish =
the concrete.  I=E2=80=99ve seen that at some commercial locations and I =
seems to serve the same purpose, but there is no layer to fail and I =
suppose you can just republish any blemishes. =20
>=20
> Best,
> Ian
>=20
> On Fri, Nov 9, 2018 at 10:20 PM Pat Horne <patintexas@icloud.com =
> I=E2=80=99m in a similar position, I had a shop fire & want to seal =
the floor before putting equipment in. I found this site but haven=E2=80=99=
t done much research. =
https://allgaragefloors.com/sealers-large-shop-garage-floors/#comment-7075=
3 =
<https://allgaragefloors.com/sealers-large-shop-garage-floors/#comment-707=
53>
>=20
> Peace,
> Pat
> _______________________________________________
>=20
> Shop-talk@autox.team.net
> Donate: http://www.team.net/donate.html
> Suggested annual donation  $12.96
> Archive: http://www.team.net/pipermail/shop-talk
>=20
> Unsubscribe/Manage: =
http://autox.team.net/mailman/options/shop-talk/rrochlin@comcast.net
>=20


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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D""><span=
 class=3D"Apple-tab-span" style=3D"white-space:pre">    </span>I also =
used the Rustoleum Epoxy. &nbsp;The floor has work out OK, but there are =
a few patches where the concrete effervesced after application which led =
to epoxy failure. If I were to do it again, I would definitely <u =
class=3D"">not</u> use the citrus etching product that comes with the =
epoxy, but as Ian did, use muriatic acid. &nbsp;I=E2=80=99m sure that =
Rustoleum uses the citrus etch to avoid consumer suits arising from acid =
burns, but it is not nearly as effective as a muriatic acid etch.<div =
class=3D""><span class=3D"Apple-tab-span" style=3D"white-space:pre">    =
</span>Bob&nbsp;<br class=3D""><div><br class=3D""><blockquote =
type=3D"cite" class=3D""><div class=3D"">On Nov 10, 2018, at 10:07 AM, =
Ian McFetridge &lt;<a href=3D"mailto:shop-talk2@mcfetridge.org"; =
class=3D"">shop-talk2@mcfetridge.org</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><div class=3D""><div =
dir=3D"auto" class=3D"">Hi All,</div></div><div dir=3D"auto" =
class=3D""><br class=3D""></div><div dir=3D"auto" class=3D"">I coated =
three garages and can share some of my experiences.&nbsp; For the first =
two garages I used Rustoleuum epoxy with paint chips in it to avoid =
slipping.&nbsp; The kit comes with citric acid that I mixed into a pump =
sprayer.&nbsp; I believe the intention is to open the pores in the =
concrete so that the epoxy has some where to stick, like a physical bond =
as it seeps into the pores and sort of locks into place.&nbsp; This was =
virgin cured concrete and I could see the acid loosening some of the =
construction debris and opening pores, so I scrubbed with a bristle =
brush until it was clean, let dry and then applied the epoxy.&nbsp; The =
epoxy held up well for years, but as Obaa said, in two places quarter =
size chunks were lifted by hot tires over the years. =
&nbsp;&nbsp;</div><div dir=3D"auto" class=3D""><br class=3D""></div><div =
dir=3D"auto" class=3D"">For the third garage I used a stronger =
concentration of muriatic acid, I believe it was 10% volume to volume =
solution, but can=E2=80=99t recall.&nbsp; This solution clearly opened =
the pores in the concrete better and since it was a single bay I took my =
time to make sure it looked evenly etched. &nbsp; I used the same epoxy =
and it held up without lifting until we moved several years later, =
including parking my autocross car in there with sticky race tires =
(Hoosiers). &nbsp;</div><div dir=3D"auto" class=3D""><br =
class=3D""></div><div dir=3D"auto" class=3D"">One thing I=E2=80=99ve =
seen that I=E2=80=99d like to try is to polish the concrete.&nbsp; =
I=E2=80=99ve seen that at some commercial locations and I seems to serve =
the same purpose, but there is no layer to fail and I suppose you can =
just republish any blemishes. &nbsp;</div><div dir=3D"auto" class=3D""><br=
 class=3D""></div><div dir=3D"auto" class=3D"">Best,</div><div =
dir=3D"auto" class=3D"">Ian</div><div class=3D""><br class=3D""><div =
class=3D"gmail_quote"><div dir=3D"ltr" class=3D"">On Fri, Nov 9, 2018 at =
10:20 PM Pat Horne &lt;<a href=3D"mailto:patintexas@icloud.com"; =
class=3D"">patintexas@icloud.com</a>&gt; wrote:<br =
class=3D""></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 =
.8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir=3D"auto" =
class=3D"">I=E2=80=99m in a similar position, I had a shop fire &amp; =
want to seal the floor before putting equipment in. I found this site =
but haven=E2=80=99t done much research.&nbsp;<a =
href=3D"https://allgaragefloors.com/sealers-large-shop-garage-floors/#comm=
ent-70753" target=3D"_blank" =
class=3D"">https://allgaragefloors.com/sealers-large-shop-garage-floors/#c=
omment-70753</a><div class=3D""><br class=3D""></div><div =
class=3D"">Peace,</div><div class=3D"">Pat<br =
class=3D""></div></div></blockquote></div></div>
_______________________________________________<br class=3D""><br =
class=3D""><a href=3D"mailto:Shop-talk@autox.team.net"; =
class=3D"">Shop-talk@autox.team.net</a><br class=3D"">Donate: =
&nbsp;$12.96<br class=3D"">Archive: =
http://www.team.net/pipermail/shop-talk<br class=3D""><br =
class=3D"">Unsubscribe/Manage: =
http://autox.team.net/mailman/options/shop-talk/rrochlin@comcast.net<br =
class=3D""><br class=3D""></div></blockquote></div><br =
class=3D""></div></body></html>=

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