Spalling Concrete
#10
  Re: (...)
Good morning folks - I've got some spalling going on with our concrete walkway - its occurring in only a few spots where the to layer is chipping off. I suspect it is due to using too much salt in the winter. In my area we have temperature extremes of below zero to 90 degrees. I'm looking for some suggestions on products I could use to resurface the spalled areas with a high degree of probable success?

Thanks
Rick

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#11
  Re: Spalling Concrete by Rick_B (Good morning folks -...)
You've been to the water parks and seen that rubber style coating they put on the concrete? The stuff seems a perfect item for something like this. I wonder why they don't come up with this for drives?

I think I know your answer, but I'm not a concrete expert, but I think the best solution isn't going to please you.
"There are no strangers- only friends I haven't met.
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#12
  Re: Re: Spalling Concrete by daddo ( You've been to the...)
daddo said:


You've been to the water parks and seen that rubber style coating they put on the concrete? The stuff seems a perfect item for something like this. I wonder why they don't come up with this for drives?

I think I know your answer, but I'm not a concrete expert, but I think the best solution isn't going to please you.




+1

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#13
  Re: Spalling Concrete by Rick_B (Good morning folks -...)
In my opinion you have two choices.Break up the walkway and re-do it. Install pavers over the spalled concrete is another option.
mike
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#14
  Re: Re: Spalling Concrete by mike4244 (In my opinion you ha...)
I was kind of afraid of these answers - so there's no resurfacing product that would have a chance of holding up? I'm not likely to replace the walkway sections affected - not that many of them (yet) and it is purely an aesthetic thing for now.
Rick

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#15
  Re: Spalling Concrete by Rick_B (Good morning folks -...)
Look up Top N Bond.

John
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#16
  Re: Re: Spalling Concrete by Rick_B (I was kind of afraid...)
Rick_B said:


I was kind of afraid of these answers - so there's no resurfacing product that would have a chance of holding up? I'm not likely to replace the walkway sections affected - not that many of them (yet) and it is purely an aesthetic thing for now.



There is a lot of information about spalling and other concrete-related issues on ConcreteNetwork.com.

http://www.concretenetwork.com/search.ht...ete+repair

Here's one example. The video on the right is about fixing the spalling.

http://www.concretenetwork.com/fix-spall...veway.html
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#17
  Re: Spalling Concrete by Rick_B (Good morning folks -...)
We have been using MG-KRETE at work.

pretty good stuff



If it can't kill you it probably ain't no good. Better living through chemicals.

 
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#18
  Re: Spalling Concrete by Rick_B (Good morning folks -...)
I actually like a little spalling, it tends to prevent that thin black ice from forming.

There is a lot of sidewalk in my neighborhood that is decades old and worn down to aggregate and it is safer in the winter. But now they're replacing a lot of it with new concrete that is really smooth.
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