Fixing Hairline Concrete Cracks

Old 11-01-08, 02:04 PM
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Fixing Hairline Concrete Cracks

I know concrete cracks, but it is frustrating when you just finished building a house and are ready to move in next week!
As soon as the weather got cold, the crack appeared the entire vertical length of the floor, from the step to the expansion joint, and then moved a little bit and finished its way to the apron. It is not deep, but I would like to find a product that would work to at least try and fill it so it does not get worse. I found this
DAP 10.1 Oz. Gray Concrete and Mortar Filler and Sealant

but I don't know if it is even going to be close to the color, or if I will make it more noticeable. Any suggestions would be greatly appreciated. I am not even sure what the process would be to apply the fix...please advise if you don't mind and I am open to all options!

Thank You!
Old 11-02-08, 07:29 PM
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That's basically a type of caulking. It will fill the crack but it doesn't get as hard as the cement itself. There are other products that will, some also in a tube and others that have to be mixed.

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