Look at my driveway! What? Why? How?
Ok, our inspector friends - or anybody else that may have seen this.
This type of thing is pretty common to see in Highlands Ranch, Lone Tree or any other places in Colorado. Could have taken many more photos of different driveways looking like this.
What is this? Who done it? Why?

Some buyers get very concerned when they see this. It's not pretty. Should they be concerned?
We have dealt with this fairly frequently. What would you tell your buyers? Would you ask the sellers to fix this before putting their home on the market?

And of course how would one fix this - or even prevent this. Not all homes around here have a driveway looking like this.
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Copyright 2008.© Kenna and Co. Rita Burke. All Rights Reserved. Sept 20th 2008. "Driveway eating rodent? What is it?"
10 Comments on What is it? Rodent with a taste for concrete? - Curb Un-Appeal
The concrete appears to be pitted. Perhaps, acid rain?
We have this a lot around here from the chemicals in snow-melt/salts that get put on driveways and sidewalks in the winter. Not sure what the fix would be aside maybe from overlaying the concrete on a sidewalk and/or patches on driveways.
It becomes part of the initial impression doesn't it ! Seller probably needs to replace or overcoat it.
Brian and Rita, looks to me like they screwed up the install. If you float too much liquid to the surface too fast it results in a very weak surface that is easilly affected by the elements---including salts and acid rain. When you want to have this happen "intentionally" as in exposed aggregate intallations you use a "releasing agent" on the surface and it ends up creating the look you have but uniformly over all the surface. You might want to have the whole surface "released." It certainly will look no worse than patching will.
Somebody once told me it was because of the ice remover salts. I am not sure, but I was very much told by our builder never to put that stuff on our sidewalks.
Brooke
You got your answer from Charles Buell, with whom I'm in full agreement on this one.
Charles and Russel - that seems to be the problem (according to concrete specialists). Interestingly this is occurring more in the newer driveways, maybe concrete mixures are not what they used to be. Also adding the salts and fertilizer (big no-no) to melt the ice apparently makes matters worse. And the freezing/thawing cycles can be hard problem for concrete.
Your assessment is right, about our climate and the chemicals that get used, but it also comes from SOME concrete workers being rushed into pouring when conditions are not right. Remember all of the downpours we had this summer? Wonder how many concrete driveways were being poured during the summer rain.....
Looks like a bad case of spalling caused by salt... I used to manage a pre-stress concrete plant...
I concur, I think it's salts. But I like the rodent idea. Denver could have it's own version of the Lock Ness Monster. Were you around in the 80's when somebody found a mouse in their Coors Beer? The jokes about the "mouse trap" were all over the place. Does the Mouse Trap still exist?
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