what to use to degrease garage floor?

Question

I am prepping my 35 year old garage floor to apply rustoleum epoxy shield coating. With it being older it has very heavy oil/grease stains that are still there after using a concrete concentrate cleaner and on a different day using krud kutter.... I know not to mix chemicals. The epoxy shield system comes with a citric acid granuale cleaner, but I am not sure if it will remove the stains to have a good bond for the final epoxy coating. Any suggestions on what to use? Thanks

i have also used paint thinner/mineral spirits another day

Answer 1

It sounds as if you have a good head-start on the problem...I would suggest that you follow the manufacturers method with the enclosed citric cleaner...
Wait the recomended time, and 'TEST' a stained area with the epoxy coating...The stains may still be there but not oily or greasy, anymore.
Let the 'test' spot dry the recomended time and check the bond before proceeding...
Good luck with the project.

Answer 2

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First you have to remove all grease and dirt from the surface. This would involve a pressure washer and some degreasing detergent. When it's completely dry, you then need to apply a primer that's specifically made for concrete surfaces. It has a chemical in it that causes it to seep into the concrete and seal it. Finally, you need to use either masonry paint or the kind specifically for garage floors and driveways. Another option that I would recommend if the garage gets wet periodically (like you pull your car in from the rain regularly) is to use a non-skid paint. This has little bits of abrasive material suspended in the paint and dries to a rough, non-skid surface. I recently repainted the concrete landing in front of my house and the stairs coming up from the sidewalk with this stuff and it works great. You can apply it with a roller, sprayer, or brush. I think the cheapest non-skid paint is made by Rustoleum. There are other brands that are more expensive, but not necessarily better. It also comes in a base white. So, you can add tint to it and make it any color you want at the paint store. I would avoid painting the garage floor white, though. It will get extremely dirty very quickly.

Answer 3

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RE:
what to use to degrease garage floor?
I am prepping my 35 year old garage floor to apply rustoleum epoxy shield coating. With it being older it has very heavy oil/grease stains that are still there after using a concrete concentrate cleaner and on a different day using krud kutter.... I know not to mix chemicals. The epoxy shield...

Answer 4

Spread out automatic dishwater detergent. Throw a party and have everybody do the "twist" for several hours! Seriously, your shoes twisting the detergent will do more good than kitty litter or standard garage clean-up material. It will not only clean the floor, but bleach it at the same time. When you get all done, sweep up the excess and mop changing the rinse water frequently. You're going to be impressed!

Answer 5

the garages i have worked in have used a powder cleaner( not sure of name) that is an yellowish orange in color but when wet turns green. drench floor sprinkle this cleaner around scrub with a push broom let sit for a half hour rinse thoroughly. other than yhat you can cover the floor in kitty litter and have a nieghborhood dance. the feet grinding the kitty litter in to the flloor will actually dry up the oil and grease and leave the fllor lookin as new as wear will let it. after the litter is all pulverized just sweep it up

Answer 6

This is just a thought but I know some commercial floor cleaners for restaurants (like wash-n-walk) are designed to beak down organic materials - food, burger grease, etc. You may want to look in this direction for a good floor cleaner as they may take care of your oil and grease. Also they clean up with water!

Answer 7

Have you tried Simple Green? My hisband uses it to remove grease from our garage floor all the time. You can get it at Wal-Mart.

Answer 8

Kitty litter to soak up the wet oil; then hot water, Simple Green, and a wire brush for the stains; and a few cold beers for motivation.

Answer 9

Muriatic acid that is used to etch concrete that can be bought at a paint store. It is really strong and will definately do the job. You wont need much. Good luck

Answer 10

Liquid laundry detergent will remove the grease and oil from the surface, however nothing will remove the actual stain since it has penetrated the surface. The "stain" should not effect the epoxy from bonding to the surface.