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Cleaning decades old oil stains off concrete floor #1868797
04/23/10 09:08 PM
04/23/10 09:08 PM
Joined: Jan 2007
Posts: 446
LBP
Mr_Accord Offline OP
Mr_Accord  Offline OP
Joined: Jan 2007
Posts: 446
LBP
o.k pretty much a good portion of the concrete floor in my garage is covered with heavy oil patches from decades worth of auto repairs and I'm kind of getting tired of it, it just looks really bad from the driveway with no car in there. Does anyone have a good method or know of a good product to clean it up or bring it close to being spotless. I want to eventually apply a heavy duty paint coating to the floor that is chemical resistant, but i have to clean up the oil mess first without having to put a new layer of concrete applied over top.

Thanks

Last edited by Mr_Accord; 04/23/10 09:09 PM.

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Re: Cleaning decades old oil stains off concrete floor [Re: Mr_Accord] #1868804
04/23/10 09:14 PM
04/23/10 09:14 PM
Joined: Dec 2006
Posts: 18,623
Dallas,Tx USA
aquariuscsm Online content
aquariuscsm  Online Content
Joined: Dec 2006
Posts: 18,623
Dallas,Tx USA
I`ve heard bleach may work. Never tried it though.


1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
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Re: Cleaning decades old oil stains off concrete floor [Re: Mr_Accord] #1868806
04/23/10 09:15 PM
04/23/10 09:15 PM
Joined: Sep 2003
Posts: 5,770
Waterloo, ON
Bluestream Offline
Bluestream  Offline
Joined: Sep 2003
Posts: 5,770
Waterloo, ON
There is no way to clean it up. I rented commercial space a while ago where a machine shop used to be, The floor was full of oil stains/ I rented a large orbital floor sander (wow very dusty work) and even with taking off a layer of the concrete the oil stain was still there. We put down vinyl floor for our office, and the oil stains "telegraphed" though the vinyl over a year or two,


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Re: Cleaning decades old oil stains off concrete floor [Re: Bluestream] #1868827
04/23/10 09:29 PM
04/23/10 09:29 PM
Joined: Mar 2009
Posts: 3,196
Indiana
BobFout Offline
BobFout  Offline
Joined: Mar 2009
Posts: 3,196
Indiana
Originally Posted By: Bluestream
There is no way to clean it up. I rented commercial space a while ago where a machine shop used to be, The floor was full of oil stains/ I rented a large orbital floor sander (wow very dusty work) and even with taking off a layer of the concrete the oil stain was still there. We put down vinyl floor for our office, and the oil stains "telegraphed" though the vinyl over a year or two,


What about those "plastic" or "rubber" sealants for concrete?


2003 VW Jetta TDI (Sold) / 2015 VW GTI 2.0T
Re: Cleaning decades old oil stains off concrete floor [Re: BobFout] #1868884
04/23/10 10:19 PM
04/23/10 10:19 PM
Joined: Jul 2003
Posts: 3,097
San Antonio, TX
jorton Offline
jorton  Offline
Joined: Jul 2003
Posts: 3,097
San Antonio, TX
You can wet the floor and blow off excess water with a leaf blower. Then dust the damp floor with the cement that has no gravel, sand or stones in it. Wait 48 hours, and sweep the floor.


"If everything seems under control, you're just not going fast enough."
- Mario Andretti


Re: Cleaning decades old oil stains off concrete floor [Re: jorton] #1881426
05/05/10 10:29 AM
05/05/10 10:29 AM
Joined: Oct 2008
Posts: 16
ca
tchguy Offline
tchguy  Offline
Joined: Oct 2008
Posts: 16
ca
I've had some success using ATF, Simple Green and kitty litter to remove the worst of the stains on my driveway. What I did was to apply a thin coat of ATF on the stains, broom it back and forth till it looked dark. Next cover the ATF coated stains with a (thin) layer of kitty litter. Broom for a while, remove kitty litter. Apply another layer of kitty litter, broom a while and remove. Repeat until kitty litter doesn't turn dark. The last step is soaking the stains with Simple Green. Broom the simple green over the stains for at least 10 minutes, then rinse away.

This made a dramatic improvement in how the driveway looked. I repeated this treatment series the following weekend. I can still see the stains if I look for them, but at a glance it looks pretty good.

Last edited by tchguy; 05/05/10 10:30 AM.
Re: Cleaning decades old oil stains off concrete floor [Re: tchguy] #1882161
05/06/10 02:53 AM
05/06/10 02:53 AM
Joined: Dec 2002
Posts: 40,852
'Stralia
Shannow Online content
Shannow  Online Content
Joined: Dec 2002
Posts: 40,852
'Stralia
I used to have a powder product.

Commercial powder cleaner that we used to mix with water to degrease panels before painting. Would rinse completely off with water.

would make a poultice of this stuff, trowel it lightly on, then put a payer of cling wrap over it.

Worked great, but 20 years of not using it, and I'm lost.

Dad used to use lime for the same thing.


Not everything is a conspiracy...only the important stuff ontome
Re: Cleaning decades old oil stains off concrete floor [Re: Shannow] #1887471
05/11/10 04:34 PM
05/11/10 04:34 PM
Joined: Sep 2006
Posts: 19
Wisconsin
DaleW Offline
DaleW  Offline
Joined: Sep 2006
Posts: 19
Wisconsin
I have never tried this product. but will some day.
can't hurt.

http://www.pour-n-restore.com/

let us know if you try it!

Re: Cleaning decades old oil stains off concrete floor [Re: DaleW] #1900065
05/22/10 10:34 PM
05/22/10 10:34 PM
Joined: Aug 2005
Posts: 7,128
Leamington, ON, Canada ..... r...
Papa Bear Offline
Papa Bear  Offline
Joined: Aug 2005
Posts: 7,128
Leamington, ON, Canada ..... r...
When I worked at a garage in the early 60's, the mechanic would pour battery acid out of the old batteries and slosh it around with a pushbroom. Let it "bubble" for a while and hose it off.
Floor cleaned up quite nicely.


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Re: Cleaning decades old oil stains off concrete floor [Re: Papa Bear] #1900948
05/24/10 01:13 AM
05/24/10 01:13 AM
Joined: Aug 2008
Posts: 2,080
Cali
Malo83 Offline
Malo83  Offline
Joined: Aug 2008
Posts: 2,080
Cali

Re: Cleaning decades old oil stains off concrete floor [Re: Malo83] #1901364
05/24/10 02:19 PM
05/24/10 02:19 PM
Joined: Aug 2002
Posts: 14,424
Silicon Valley
PandaBear Offline
PandaBear  Offline
Joined: Aug 2002
Posts: 14,424
Silicon Valley
I have tried laundry detergent (Tide powder) and it clean up a lot, but is not completely clean even when I pour some water over the laundry detergent and let it sit overnight.

Concrete has pores and there is no way to clean it up 100%, especially it is decades old. Your best option is to apply an acid cleaner and then coat it with a sealant or paint afterward, and add flakes of some types to break up the pattern so it won't be that noticeable, which is exactly what the garage sealant does.


"You keep asking questions PandaBear and you'll end up a vegetarian like my wife" - Camu Mahubah
Re: Cleaning decades old oil stains off concrete floor [Re: PandaBear] #1901390
05/24/10 02:49 PM
05/24/10 02:49 PM
Joined: Feb 2007
Posts: 2,378
Chicago IL USA
scurvy Offline
scurvy  Offline
Joined: Feb 2007
Posts: 2,378
Chicago IL USA
The old timers at the turbine repair shop used to tell me that if you mix powdered Tide with just enough water to make it slushy then trowel it on (like Shannow said) it will pull all the oil out of the cement. Covering with cling film to keep it wet for a few days may not be a bad idea. Sweep up what you can and spray the rest with water.

Of course the real problem with cleaning the oil stains out of your cement floor is that you'll make clean spots which stand out. grin

Instead of cleaning the oil spots, you should get a few gallons of used diesel oil, pour it over evenly and let soak for a week. Then the entire floor will be the same shade.


You are entitled to your own opinion but not your own facts.

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Re: Cleaning decades old oil stains off concrete floor [Re: Mr_Accord] #1924436
06/16/10 05:38 AM
06/16/10 05:38 AM
Joined: May 2005
Posts: 764
USA
97prizm Offline
97prizm  Offline
Joined: May 2005
Posts: 764
USA

In my parents garage the same problem existed. Years of oil stains. I use pour-n-restore. You pour the liquid on the stain spread it with a putty knife and let it dry into a powder. Once dry sweep up the powder. It works really well.


If at first you don't succeed fail fail again. (Waldorf and Statler.)
1997 Geo Prizm
1984 Mazda RX-7 Spec 7
Re: Cleaning decades old oil stains off concrete floor [Re: Malo83] #1926498
06/18/10 01:23 AM
06/18/10 01:23 AM
Joined: Feb 2008
Posts: 683
Atlanta, GA
RoGuE Offline
RoGuE  Offline
Joined: Feb 2008
Posts: 683
Atlanta, GA
I use some powder cleaner, like Comet, let it sit for a few minutes and sweep it away. Works every time.


2007 Chevrolet Malibu
2.2L Ecotec
Re: Cleaning decades old oil stains off concrete floor [Re: RoGuE] #1933119
06/24/10 09:47 PM
06/24/10 09:47 PM
Joined: May 2010
Posts: 155
PA
stuntboy79 Offline
stuntboy79  Offline
Joined: May 2010
Posts: 155
PA
We use Alfer "green stuff" and it is a very effective cleaner/ degreaser.


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