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Hrm...that sounds opposite of what I would expect. Concrete starts out liquid, so it's going to flow downhill before it gets a chance to set.
Concrete is a slurry mix, not liquid. It can be fairly cohesive and still meet specs. Also concrete can be retained by forms and handled in various ways to stay on the slope.
Paving contractors will not warranty asphalt on steep slopes because it can separate and slide down the hill, or be pulled down the hill by vehicles. Our summer heat will increase the failure rate.
I have used a product with more than limited success for this problem. It's called Jasco concrete and lighten. Got it at Home Depot.After I apply it I powerwash it off. Results will probably mimic what the brake cleaner accomplishes. Treated a stain a year ago and with the additional help of weathering you have to really look to see the stain today.
Believe it or not, cat litter. The rough chunky stuff. The Army called it Dry sweep but we all knew it was cat litter. Drop it on the spot, grind it in with your foot and sweep. Best if you do it right away. Works pretty good but not perfect. Once it has been sitting for a long time the only thing I found that works is a product called mela magic by a company called Melaleuca. Beware that this is a multi level marketing company! I think you can buy directly however and not have to deal with someone trying to sign you up. www.melaleuca.com
Perhaps GUNK engine degreaser would also work (auto parts stores)??
very easy to maintain, and you can remove individual pavers that could be problems..
its a little more expensice than the others but its pretty.
Quote:
Originally Posted by nc_green1974
I take a lot of pride in my new home and I have a problem that is driving me nuts. My wife and I both drive older model cars and despite getting them recently repaired we still have very minor oil leaks that leave dime sized oil stains on our new concrete driveway when leave them parked over night. When we were shopping for homes I was always turned off by homes with huge oil stains in the driveway. Maybe I am just picky, but it drove me nuts. And now I feel like our place will look like one of them (Oh the Humanity !) We aren’t leaking huge amounts of oil, but over a few years I imagine all these “dime sized spots” will add up and make our driveway look just as bad. How do other people deal with / repair this when they sell their homes. Is there someway to resurface the driveway? I know there are cleansers that claim to remove these stains but I hear most don’t really work, and I don’t see the point in doing it now as our cars will continue to periodically leak anyway and putting soemthing under the cars to absorb the oil is almost as unsighlty as the oil staisn themselves! Anyway, if any of you realtors have ever had to deal with a client trying to sell a house plagued with an oil stained driveway and have recommendations on what they did to fix the problem please share it with the rest of us.
By the way, why are all the driveways here in NC concrete anyway? Is it because asphalt would get too hot in the summer? I miss having a black asphalt driveway that would hide such minor leaks. Although concrete looks nice, any minor flaw really sticks out!
This is my understanding, cars parked in the same spots on asphalt driveways would create sink spots under them due to the summer heat. One would have to spend more dollars on the driveway base to stop it from sinking so concreate is used.
I used the epoxy paint on my garage floor and it works great for oil leaks, they wipe right up! Best $100 I spent!
Honestly with the heat we're having I'd be most worried about the oil leak than the stains on the driveway! If you consider any of some of the methods mentioned for future protection I'd consult the HOA (if you have one). Either way good luck with the removal, and fixing the leak!
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do brick pavers
!) We aren’t leaking huge amounts of oil, but over a few years I imagine all these “dime sized spots” will add up and make our driveway look just as bad. How do other people deal with / repair this when they sell their homes. Is there someway to resurface the driveway? I know there are cleansers that claim to remove these stains but I hear most don’t really work, and I don’t see the point in doing it now as our cars will continue to periodically leak anyway and putting soemthing under the cars to absorb the oil is almost as unsighlty as the oil staisn themselves! Anyway, if any of you realtors have ever had to deal with a client trying to sell a house plagued with an oil stained driveway and have recommendations on what they did to fix the problem please share it with the rest of us.
