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How to Remove an Oil Stain from Concrete

How to Remove an Oil Stain from Concrete

Hi, DIY Nation! It’s Jeff with Home Repair
Tutor. And today I’m going to show you how to remove an oil stain from concrete. This
is a common problem, especially if you own an older car.
So I compared four difference methods; some worked, some didn’t. So you’re going to want
to stay tuned because you’re going to save time and money in the process. Let’s get started.
I tried four different methods. I used kitty litter, TSP, WD-40, and Drylok Etch. So I
wanted to see which one would work best at removing the stain—the oil stain or whatever
stain it is—in the concrete. I used the kitty litter first. And this is
a real basic method. All you do is pour the kitty litter onto the stain and then mash
it real good with your body weight. Now, you don’t have to wear green shoes like I did,
but mash it really good and then you sweep it off the stain. And I did not see any change,
but that’s not to say that this method wouldn’t work for you. So maybe give it a shot.
The second one was using WD-40. And all I did here was spray the WD-40 onto a little
circular section of the stain—’cause after all, this is an experiment, and I did not
want to try it on the whole section but just—I sprayed it on, and then I scrubbed it really
good with a stiff wire brush. I did this for several minutes—yeah, it’s kind of a pain
in the butt—and then after that, I brushed on some kitty litter to absorb the WD-40 and
hopefully the stain. And I let that sit there for a good 10-15 minutes.
In the meantime, I took some straight TSP, and I poured that over the adjacent stain
like so. And again I used a stiff wire brush to hopefully scrub out the stain. And this
is what it looked like. Excuse me, I put on some kitty litter—I totally forgot about
that—to absorb that stain. So I let that sit. I brushed off the WD-40 and again, nothing.
So WD-40 is a bust. Then here’s a surprise. I shoveled off the
kitty litter that absorbed the TSP, and there was a noticeable difference. So TSP, I’d say
that’s a good method to try on an oil stain. Now the fourth one that—the fourth method
was used was Drylok Etch. Now be safe when you use all these chemicals—wear gloves,
safety glasses. And what I did is I scrubbed it with a stiff wire brush and this is what
it looked like. So it turned out really awesome with the Drylok Etch. And as a reminder, this
is what it looked like before. So Drylok Etch, awesome!
There you have it. The kitty litter and the WD-40 didn’t work out as well for me as maybe
it might for you. You could give it a shot, especially if you own a cat—which I don’t;
I went out and bought the kitty litter. That’s a whole different story. And most everybody’s
got WD-40. But the TSP and the Drylok Etch were total winners. And I would say try the
TSP first then go for the Drylok Etch. But there you have it. Those are two solutions
that will help you out with removing your oil stain from concrete. And I hope it helped
you out. If it did, visit me over at HomeRepairTutor.com, sign up for the email newsletter because you’re
going to get a ton of great tips every single week. I promise. I promise you will. And I
answer pretty much every single response on my website. So if you’ve got a burning question,
head over to HomeRepairTutor.com, let me know. Take care. Have a great day. And I’ll talk
to you soon.

100 comments found

  1. they used to sell concrete stain remover at 99cent stores and that was the shit that i vouch for it worked very well and was only a buck per

  2. maybe it would be a good idea to further emphasize that trisodium phosphate is extremely toxic and to use extreme caution when using

  3. Where can I buy the TSP that one you are demonstrating in this video? There are TSP in Walmart but it doesn't seem to be same kind.

  4. go to home depot and buy heavy duty degreeser made by ZEP. it is 100% green and does not kill the grass around the driveway. WD-40, hich is an OIL so of course it will make your OIL stain worse, DAH. However, it does work on tar on my fishing boat.

  5. There are two videos demonstrating the kitty litter method that uses a brick (instead of tennis shoes) to grind/ground in litter into the stain. The results looked promising, plus it's a cheaper for cat owners

  6. Hello:  I have a new job and I will be working at a  food distributor warehouse and wanted to know about common spills.  Thanks for the information.

  7. You gotta use the old school grey unscented kitty litter and then crush it in with your foot or a brick. It's works really good!!

  8. nothing takes off tar better than diesel fuels. just wash off with soap and water as you go. no scratch scrubbing pad works well. faster than wd40

  9. Theres a video on YouTube of someone using cat litter, then rubbing it into the ground with a house brick, try that

  10. Found Drylok Etch (its a powder you mix with water) on the Lowe's & Home Depot store websites, not avail on Ace site.  5of5 stars by 1 reviewer on Lowes who used it on their basement floor prior to applying epoxy.  Says use a mask because they did encounter vapors.  I will use just the Drylok & not waste my time with the TSP product as I don't see the logic in messing with both & will save time.  As far as the TSP Surface Prep on this vid I only found TSP All Purpose Heavy Duty Cleaner (powder & liquid) – -I use TSP All Purpose powder for cleaning drywall prior to interior painting.  Its touted as a great cleaner for Decks and Siding cleaner.  The above dry powders are mild acids, so I use gloves & goggles.  The Lowes Drylok product descript says it is a great safer alternative to Muriatic Acid – -I concur is safer & safer to have around.  If I'm going to make this cleaning effort on our garage floor, then we're going to seal it afterwards with the Rust-Oleum Epoxyshield 2-Part Gray Gloss Garage Floor Epoxy Kit from Lowes.  Its got 5/5 stars from two reviewers.

  11. Kitty Litter is meant to be used when the oil is FRESH..Oops! I spilled some oil…better put kitty litter on it..! NOT when it's had time to dry…BEST method I've found is a grinder and flap wheel/grinding disc..OR you can try a torch like you use to burn weeds, to soften/warm up the oil…You can also soak it with a liquid cleaner and then blast it off with a pressure washer, but it has to be a powerful, gas pressure washer, preferably one that sprays HOT water..

  12. Have you tried Cat Liter ( I mean fresh cat liter) ? I fry a lot on our concrete patio. When I spill frying oil , I pour a cat liter over the stain , rub it in with a my shoe and let it set overnight. Might want to try with Oil stains .

  13. Pour 'N Restore is a lot easier to use. Just pour it on, let it sit for 3-8 hours and then sweep off. It's around $10-15 for a 32 oz. bottle. I used it for very old stains when selling my house and it did the trick beaustifully!

  14. Make sure you use clean kitty litter 😄, I don’t think wd40 will work bc it’s still greasy. Thanks for the video.

  15. Helpful reminder and maybe its been said in a reply before but both are TSP and Drylock are etching compounds, so sealing it after doing your entire concrete area would be mindful, especially if you live in a humid part of the country, otherwise your concrete may begin to decompose


  17. I used a solution of 3 parts rubbing alcohol and 1 part lemon or lime juice and left it on for several minutes and then scrubbed with a wire brush, it greatly diminished the oil stain that was black and not wet at all and cat litter did not work (thought it looked more like paint but it was oil from a crew truck doing work on my house) although it had only been on the driveway for a few days. Twice application and scrubbing removed the stain. I have used this solution to get dried on paint off wood or laminate floors – it is strong and will take the finish off if you are not careful but there are no heavy fumes like some products or mineral spirits will have. Try it, it may work for you.

  18. Kitty litter is for spills, not stains. WD-40 is a great cleaner (beyond crappy as a lubricant), but not for this

  19. Use a degreaser to remove the surface oil. Then use Coke to open the pores in the concrete or block paving as coke has acid in it. it will have an etching effect on the concrete and so change the 'shade/colour' of it. Then apply Poultice. This will need to sit there for a day. The poultice will suck the oil up and out of the concrete pores like a straw. However and this is the important bit. The poultice can only suck up its fill. You will see a huge improvement but depending on how long the oil has been sitting there being absorbed into the concrete you may need to go through the process multiple times until all of the oil has been sucked back out of the concrete. Be sure to only use the coke on the first attempt as this step only opens up the pore in the concrete like taking a bottle top off a bottle to get at the absorbed oil and it will slightly change the shade of the concrete everytime you apply it. It can take up to a week to get rid of a big stain that has been there for months or years but it is doable. With blocks it might be a better idea to just replace the blocks.

  20. Did you seriously use walnut kitty litter (I'm assuming it's walnut based since it's brown rather than light grey)? Wow! Always use cheap clay based kitty litter. Works like a charm and they sell it at the dollar store.

  21. The kitty litter (use the cheapest available. It is almost straight clay) for fresh oil spills it works great. Rub it with a brick. As you saw here it doesn't fix old stains.

  22. Kitty litter DOES work. Pour a pile on the stain and rub with your feet. My husband car spilled oil in our driveway. I bought Johnny Cat Litter. It even removed rust stains off the concrete.

  23. Oil stain removal from concrete is done with an acidic product that is diluted and brushed. After that you need to remove the excess and should neutralize it with water. Usually grease is removed with alkaline products but oil stains on concrete usually are well embedded so you basically are removing the surface.

  24. Now pressure wash that concrete. It will wash away the rest of the kitty litter that’s been left behind and you still see the oil stains.


  26. Kitty litter only soaks up excess oil. It does very little to remove the stain. You need to use a product that is a solvent. I do keep kitty litter on hand to quickly throw on spills to soak up excess oil.

  27. I find that Dawn dish detergent works for me. Pour some on, add a little water, scrub just a little with a wire brush to get it mixed up and spread all over the stain, let it sit for as long or as little as you want, scrub really well and hard with a wire brush and hose off.

  28. Kitty litter does work, don't mash it in, just leave it on , at least a day , then, sweep, it will work. The oil stain can be old or knew, it always works for me..
    car oil especially.

  29. This looked like it worked pretty well, but I found that good old Dawn dish soap caked in baking powder was really effective.

  30. Same concrete in my garage. I have a rougher concrete drive way. Parking in the same spot for five years. 1'x 2' area is noticeable but not bad. Try Goo Gone and steel brush the area. Wait five minutes and rinse. Preferably with a pressure washer or hose jet stream setting. A bag of concrete or cement works too. Take a brick and work it in. If you're not happy with the results, repeat the process. I throw an old bath rug under the fucker as soon as I pull in the driveway.

  31. You inspired me to make a video on removing oil stains too. I tried a couple different chemicals and gave you a shout-out. I also linked this vid in my description section. Cheers!

  32. Diatomaceous Earth ( better known as D.E. and used in swimming pool filters ) works best. Autozone actually sells it as a Floor-Dry and coincidentally they call it Floor-Dry.
    Anyway I spilled the worst kind of oil there is ( diesel pickup ) on white concrete. It was late so I threw sand on it till the next day. Went and bought the floor dry mentioned above and briskly rubbed it in with my shoes. When I swept it up the next morning the concrete looked brand new and was whiter than the rest around it. That floor dry is amazing!

  33. Will try the methods that worked for you. Tried this stuff named Chomp It Off Oil Stain remover and it did not work. Pittsburgh eh? I'm originally from Irwin. Ever heard of it?

  34. Grind the oil dry in a blender . It turns into a powder as fine as flower very quickly. Add water to it until it's like tooth paste. Wet the oil stain with water and smear on the oil dry. Oil floats up in the water and the oil dry collects it. Give it a couple of days to completely dry.

  35. Thanks👍 I was an Industrial Chemist developing cleaners for hard surfaces. I can see why the Tri Sodium Phosphate worked & would be pleased to explain. Similarly, the Etch product which you used last……it’s probably the most successful as it’s acidic, and would have removed the top layer of cement from the concrete. Along with the cement would have been the oil/ carbonised-oil. If I’m correct, that shows oil doesn’t deeply penetrate

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