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Topic Review (Newest First)
08-17-2004 08:28 PM
ClassicsNHotrods Will have to try some of these home remedies for concrete cleaning.
08-15-2004 07:45 PM

[color=yellow]Doc Here

Here's what I do and it works pretty good.....
  • Spray the spots with WD ~40 until it starts to lift the stain.
  • After 15 or so minutes wipe that up, and hose the floor down.
  • Then I take a Cup of laundry detergent and a Street Broom, And work it into a good soapy lather, Let that sit about 15 to 30 minutes then hose it off...
  • Then I Apply about 2 cups Bleach and work that in with the street broom to the whole floor...
  • Then just let it dry.

Leaves a nice bone white Floor.

08-14-2004 08:13 AM
stevesauto steve here take some laundry detergent like tide and spred it all around heavy put some water on it just to wet the top and soke in let stay over night then scrub with water and a brush wash off this works for me very well and i spill oil all the time hope this helps
08-12-2004 07:30 PM
Concrete stains

Answer :Tri Sodium phosphate (TSP) available at your local hardware store . Proffesional masonary cleaner .
08-12-2004 06:46 PM
ClassicsNHotrods We use a product called Grease Blaster. Takes oil and any other stains right off and leaves the concrete looking like new.
08-12-2004 04:09 PM
WD 40

I second the use of wd40. Just did it again last night. I usually will blot up the oil first with paper towels....spray a good anmount of wd40 on the spot and then wipe it all up. 2 hours mark. And oh yea, fix the hinge on the pantry closet with the balance of the can.

08-11-2004 11:49 PM
5.0 freak I use simple green, Dish detergent(Cuts Oil) Kitty litter and you can buy a concrete cleaner from home hardware or a place like that, Then use a pressure washer to spray it into your neighbors yard..jk. It will leave a slight discoloration, but you will have one anyway...

08-11-2004 11:27 PM
oil stains on floor!!!

G to this site and read Plaese!!!
This will tell you more about the acid I suggested earlier and is does work just don't leave it on long enough to etch it K!!
08-11-2004 08:50 PM
huntejon I just painted my garage floor and the paint pulled up old spills I made long ago (and thought I had cleaned up good!!!!) and gave the ahem.... WHITE PAINT !!! a yellow tinge that refused to harden. I scrubbed the paint off of these spots with a little reducer and noticed if I poured a fair amount on the spill, the yellow was washing away in the puddle of reducer. I then re-scrubbed the spots after letting the reducer sit on them for a couple of minutes and touched the floor up and it turned out perfect. The hardest stuff to get out was the 80-90 gear oil spots. Elbow grease and old miracryl will do wonders.
08-11-2004 05:58 PM
Sure-thing, I do it all the time

The company POR-15 makes a liquid cleaner called "Marine Clean." I use it regularly to remove oil-stains from my concrete driveway (and any other grease-stain). Most every other product from POR-15 ( ) blows-it, but I buy this cleaner by the gallons. I use it to degrease engines and everything else... it smells like oven-cleaner but it's much more convenient. Be sure to dilute it at-least 1:1 with water (it actually works better with water than it does straight). Hope it helps! -Kustomizer
08-11-2004 04:53 PM
stains of crete

Over the years I've tried everything under the sun, but to no avail. If it's a new spill, not problem. But if it's old, it is now a modern day pictograph.
Concrete is very porous, so I suspect we're just swimming up the proverbial stain creek.
I do have a $30,000 driveway that was sealed and my leaking 55 ford doesn't stain it. So, I know the sealer is worth it.
08-11-2004 12:33 PM
Oil from C-Ment

Hot Soapy Water & Bleach ! [ If Cat litter don't work - after crushing it in with your feet, with moderet pressure - : over & over!] ( The bigger lumps of litter work better.)
08-11-2004 05:56 AM
Muratic Acid.... OOoooooooo

muriatic acid

Muriatic \Mu`ri*at"ic\, a. [L. muriaticus pickled, from muria brine: cf. F. muriatique.] (Chem.) Of, pertaining to, or obtained from, sea salt, or from chlorine, one of the constituents of sea salt; hydrochloric.

Muriatic acid, hydrochloric acid, HCl; -- formerly called also marine acid, and spirit of salt. See hydrochloric, and the Note under Muriate.

Oyl Staynes

Firstly as your Lord and Saviour, my deer Children.. Ceement is a nasty Alkali...

Acid ruins Ceement.

What works good on cleaning Ceement is the application of another alkali - to etch out the oil and not ruin the ceement.

I use about 250 grams or 1/2 lb (for the backward Emerikens) of sodium bi-carbonate - and I usually toss in a good heaped spoonfull of sodium hydroxide (caustic soda) and I mix it into a watery kind of pancake mix then I pour /paint it on to the stains and then I let it sit......

I then re-apply water to the painted on patches of drying out mix..... and I rescrub, and I repeat this process several times daily over a few days to a week....

This emulsifies and leeches out the oil that has penetrated into the concrete.

Just keep your critters from walking across it...... and then when your happy with the result... hose (low pressure) and scrub away the mix.....

A second reapplication may be necessary for cosmentic reasons... but aside from that...

It's pretty thorough and it works good and there are no fumes or deadly (flamable) vapors....

*depending upon the size and amounts of oyl staynes, (good for about about ~1m2 or 4 - 8 square feet )
08-10-2004 11:16 PM
oil on garge floor

Muratic acid will clean just about anything but be sure you wear gloves andwhen ya wash it off you have to dilute the water with vinegar to stop then acid process form keep on going and it will make the concrete whiter than the rest so make a clean sweep over the whol floor so it's uniform ya know not safe for inside the city so don't get caught using this product or it will be a haevy fine but it will cleann anything you got and the bubbles is it working on the oil and also eating thre top layer of concrete if not carefull!!!
08-10-2004 07:24 AM
edge Ditto - kitty litter and the twist.

Try WD-40 for stubborn spots. It works!


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