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Old 20.03.2014, 19:29
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Garage: remove oil stains on concrete

Do you have a good solution to remove oil stains from concrete? Stains are of different sizes and some of them well absorbed.
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Old 20.03.2014, 19:35
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Re: Garage: remove oil stains on concrete

Dribble some washing up liquid on them; let it soak in for quite a while, then pressure wash.

If that's not practical, isn't oil one of the things that the ad. men would have us believe that Cilit Bang removes?
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Old 20.03.2014, 19:38
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Re: Garage: remove oil stains on concrete

What size stains? Fuller's earth- know as terre (de) Sommières in French- but no idea in German- can be spread thickly overnight on stains- the special clay is super absorbent. I use it for fat stains on t-shirts, etc- brilliant (get from your local drugstore).
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Old 20.03.2014, 19:42
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Re: Garage: remove oil stains on concrete

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What size stains? Fuller's earth- know as terre somière in French- but no idea in German- can be spread thickly overnight on stains- the special clay is super absorbent. I use it for fat stains on t-shirts, etc- brilliant (get from your local drugstore).
If Fuller's earth doesn't do it, then try Fullers ESB ....... it might not shift the oil , but you'll feel better.
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Old 20.03.2014, 19:59
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Re: Garage: remove oil stains on concrete

I have not tried this, but I have read many times that cola is effective in removing oil stains from concrete.

Here and here are just a couple of websites touting cola for that purpose; there are many more if you google "Removing oil stains with Coke." Might be worth a shot as cola is not too expensive.
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Old 20.03.2014, 20:21
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Re: Garage: remove oil stains on concrete

Caustic Soda, but be careful it's very corrosive... it comes in a powder, wear gloves and a mask!
Wash away with plenty of water!

You'll probably have to sign the poisons book, so take an ID.

"Caustic Soda" or "Ätznatron" or "soude caustique"
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Old 20.03.2014, 20:30
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Re: Garage: remove oil stains on concrete

My father is definitely a fan of the detergent method. He would make a concentrated liquid from a high quality brand of dish washing concentrate, spray on and then high pressure Hose.

The advantage is that it is not likely to kill your plants or pond life, whereas there are far more toxic options....

He's a cosmetic research and development chemist, so definitely would have access to far more serious chemicals if he felt they were justified...
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Old 20.03.2014, 21:26
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Re: Garage: remove oil stains on concrete

Turps might be worth a shot.
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Old 22.03.2014, 01:53
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Re: Garage: remove oil stains on concrete

If all else fails, I have some professional only, I think it is acid in a bottle, that works wonders. Cost me 80 CHF a bottle, but, it works wonder. Give me a ring...Otherwise doesn't normal salt, when applies with numerous application with water and waiting work as well?


I have cleaned up a million olive oil, peanut oil, shortening, animal fat and so on stains from restaurants, and it is either the quick way with acids with orange crosses thru dead fish on the back, or salt.
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Old 22.03.2014, 08:31
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Re: Garage: remove oil stains on concrete

Talcum powder does the trick as well. Very cheap if you buy it by the pound in a paper bag and have some left for the next bicycle inner tube repair/replacement.
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Old 22.03.2014, 09:29
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Re: Garage: remove oil stains on concrete

Id give Coca Cola a go if you can find a way to leave it sitting on the stain. Alternatively Xylene thinner and a scrubbing brush would lift it in no time, be sure to wear a mask!
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Old 22.03.2014, 09:34
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Re: Garage: remove oil stains on concrete

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If Fuller's earth doesn't do it, then try Fullers ESB ....... it might not shift the oil , but you'll feel better.
Dynamite is mostly Fullers earth, perhaps that would so the trick?

Tom
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Old 22.03.2014, 09:48
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Re: Garage: remove oil stains on concrete

White (transparant) vinegar. Good old grandma's trick.
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Old 22.03.2014, 17:51
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Re: Garage: remove oil stains on concrete

Thanks all for your inputs. So here is the strategy I'm going to follow: start with soft products and if it does not work escalate to harder products. I shall report once the exercise is finished.
  1. Terre des Sommières/Fuller's earth + Kärcher cleaning
  2. Coca-cola + scrubbing brush +Kärcher cleaning
  3. Chemical product for oil stains + scrubbing brush + Kärcher
  4. Chemical thinner + scrubbing brush + Kärcher
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Old 22.03.2014, 17:56
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Re: Garage: remove oil stains on concrete

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Thanks all for your inputs. So here is the strategy I'm going to follow: start with soft products and if it does not work escalate to harder products. I shall report once the exercise is finished.
  1. Terre des Sommières/Fuller's earth + Kärcher cleaning
  2. Coca-cola + scrubbing brush +Kärcher cleaning
  3. Chemical product for oil stains + scrubbing brush + Kärcher
  4. Chemical thinner + scrubbing brush + Kärcher
I didn't see 5. Sledge hammer, back work, removal, new concrete as am option.
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Old 22.03.2014, 18:05
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Re: Garage: remove oil stains on concrete

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I didn't see 5. Sledge hammer, back work, removal, new concrete as am option.
I can live with the oil stains in the garage if nothing else works. That's the only sledgehammer allowed at my place:

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Old 11.08.2018, 09:56
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Re: Garage: remove oil stains on concrete

My power steering pump broke, and now I have oil stains all over my tarmac drive.

I've tried using washing up liquid and scrubbing. The stains look a bit better, but there is still a long way to go. It doesn't help that the area around the stains is now very clean. Can anyone recommend a chemical product, and tell me where I can buy it?
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Old 11.08.2018, 10:22
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Re: Garage: remove oil stains on concrete

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My power steering pump broke, and now I have oil stains all over my tarmac drive.

I've tried using washing up liquid and scrubbing. The stains look a bit better, but there is still a long way to go. It doesn't help that the area around the stains is now very clean. Can anyone recommend a chemical product, and tell me where I can buy it?
I say baking soda and hot water.

This one says turpentine and sawdust.

You're already past the stage of actual oil but for a next time: cat litter sucks it up nicely.
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Old 11.08.2018, 11:27
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Re: Garage: remove oil stains on concrete

Quote:
What size stains? Fuller's earth- know as terre (de) Sommières in French- but no idea in German- can be spread thickly overnight on stains- the special clay is super absorbent. I use it for fat stains on t-shirts, etc- brilliant (get from your local drugstore).
Quote:
You're already past the stage of actual oil but for a next time: cat litter sucks it up nicely.
Many kittie litters are Fullers Earth. I keep some next to the Barbecue to deal with grease spatters.
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Old 11.08.2018, 18:33
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Re: Garage: remove oil stains on concrete

Sprinkle with TSP, wet it down, scrub with a stiff brush and leave it to break the oil down for an hour or two keeping it moist.

Rinse really well. You'll probably need to redo the topcoat.
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