do I need to patch these concrete chunks before laminate

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Old 07-21-15, 07:27 PM
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do I need to patch these concrete chunks before laminate

Or will covering it with vapor barrior be good enough


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Old 07-22-15, 03:48 AM
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I would remove them and use concrete patch in the divots. I would not, however, install laminate below grade on concrete. Actually, I wouldn't install laminate anyway, but especially on concrete. Have you checked for moisture in the slab, yet?
 
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Old 07-22-15, 09:28 AM
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Fast setting quickcrete work ok to patch?

This slab is not sub grade. Its a single story house that's 50 plus years old.

Have not checked for moisture, but shouldn't the vapor barrior take care of that?
 
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Old 07-22-15, 01:14 PM
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You can use this. It is premixed. Quikrete 10 lb. Vinyl Concrete Patcher-113311 - The Home Depot

If you trust the installation of the vapor barrier and its quality, it will keep some condensation at bay. If you have a moisture problem in you slab, it is not advisable to install laminate. It will absorb water and will deform. To test your slab, tape a clear piece of plastic sheeting on all sides to the slab. Leave it for a few days and see if moisture collects on the plastic. If it does, then you shouldn't install laminate.
 
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