go to an auto parts house and buy " purple power" spray on concrete and let stand for a few minutes then rinse. it will look like new
I used a product called Oil Gone Easy S-200. It uses bioremediation agents to eat the oil. My stain was gone in about a week. I liked it because you did not need to clean it up.
If its just affecting the surface then scrub with a wire brush, it the dye has soaked into the concrete then nothing will 'clean' it, you either replace the concrete, paint over it or accept you have a new feature on your driveway.
Walt watched cartoons on television.
The best way to clean a concrete driveway is to use a pressure washer, and just spray it down.
wash with a hose and somehow make it shoot water fast
form_title=Concrete Driveway Contractors form_header=Drive on your new concrete driveway with help from a certified contractor. Is there an existing driveway that needs to be repaired or removed? = () Repaired () Removed () Unsure Is your driveway level?= () Yes () No () Unsure What are the dimensions of the driveway?=_ Ideal Completion Date=_
Baking soda is the best way to remove acid stains from concrete. Dawn may remove grease stains from concrete. Vinegar is another great solvent for grease stains.
My concrete driveway cracked right up the middle. How can I repair it myself?
My driveway has a ton of cracks in it, and I bought some concrete sealer, but my driveway is asphalt! Will the concrete sealer still work with asphalt?
There is no way to get urine stains out of black top driveways. On concrete, bleach can be used, but the stain is never permanently gone.
put bleach on your driveway
Salt does not stain you probably have calcium stains. This can be cleaned with a solution of muriatic or hydrochloric acid. try a test piece first and be careful for your eyes.
Best way to clean off dirt and stains is by pressure washing. Once you’ve used degreaser on your driveway, prepare your pressure washer. For faster and easier pressure washing of flat surfaces like your driveway, use a pressure washer surface cleaner from best car gurus
Not all methods of cleaning are efficient enough to remove acid, or other stains on concrete, and this is why many people are turning to pressure washing. One of the benefits of pressure washing your driveway is that it won’t cause damage to the concrete, unlike chemical-based cleaners. It can also be done very quickly and easily, removing months, if not years of dirt and stains, revealing an almost brand-new looking driveway. This can be done in as little as an hour in most cases with the use of a pressure washer surface cleaner from bestcargurus
One of the best ways to clean salt stains off a garage floor is with muriatic acid. Use a light solution or follow the instruction on the bottle.
How long will a driveway of concrete last in Louisiana?
Check with your local hardware store or Home Depot/Lowes etc. There is a special chemical that is supposed to clean everything from concrete.
Plain clay cat litter will absorb the oil....use a liberal amount & let it "soak." To get the remants of the stain, use a brick to grind the cat litter into the driveway.
Sidewalk and driveway cement normally refers to concrete.
Bleach will only remove a small portion of the stain and the scrub brush on concrete will definitely cause permanent damage to the concrete. Once concrete is "spot treated" with improper tools, chemicals or techniques it can be permanently damaged. Battery acid stains are not rust and are a chemical reaction within the concrete. If you try Hydrochloric Acid, Hydrochloric will only remove a maximum of 60% of the stain. It is very dangerous and will permanently damage your concrete. The only reason HCL Acid works is because it dissolves the cement past and takes a small amount of stain with it. Battery Acid Stains can travel up to 2" deep into the concrete. There is anew product called F9 BARC (Battery Acid Restoration Cleaner), but it is costly and only licensed maintenance contractors are supposed to buy and use it. I found and used a benign product in September 2012 for battery acid stains on 1/3 of my driveway from washing off my engine. It is Super Iron Out - 22oz powder. It mixes with water and is NOT an acid. It leaves the driveway unscathed but clean. It can be purchased many places like Walmart and Lowes for about $4. You can't beat this solution to the problem.
form_title= Driveway Paving form_header= Keep your drive smooth. What is the size of your driveway?*= _  Do you want a concrete driveway?*= () Yes () No When do you need the project completed?*= _ 
It is possible to but an addition with a crawl space over a driveway. However, the concrete will need to be broken up and removed first.
two and a quarter inches is desired for driveway for most domestic vehicles
It depends partly on what is dirtying the concrete. If it's oils stains and other motor vehicle fluids, you need at least 2,500 psi and special soaps.