Cleaning oil from a concrete driveway?
Anybody have a good way of removing, or at least reducing, the results of years of old car oil dripping on a driveway? The long term solution may be to demo and replace it. But for now, what’s the best way to improve the appearance of the driveway?
Thanks —
— J.S.
Replies
park the car on the street...
repair the leaks...
grind portland cenent into the oil and wash with plain water..
do this step as many times as it takes...
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go to walmart,in the auto department is a product called purple power.buy several gals.this is a water based product so no hazardous waste to worry about. go rent a 3000 psi pressure washer. now soak the cleaner in and work it with a broom,do this for 30 min or as long as you can keep it wet.then pressure wash the .... out of it.i have always been able to get 90% this way. larry
hand me the chainsaw, i need to trim the casing just a hair.
I've used both carburator cleaner and brake cleaner for smaller spots - blot up quickly as the cleaner disipates in a hurry. I recently tried one of the powdered cleaners that you mix with water and then leave on the spot for an hour - should have tried it in a hidden spot because it "ate" the top layer of cement, exposing the sand granules beneath - I'd rather have the oil stain.
Reg
I use that purple power too, another good one is simply green
I haven't done it in years, and only on asphalt, but Gunk driveway degreaser worked very well. The driveway must be completely dry of water. Saturate the stain, let it soak, scrub it around with a stiff brush, then hose it off.