Bump in basement concrete floor

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Old 10-02-08, 08:41 AM
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Bump in basement concrete floor

Hi All,

I am a new homeowner and want to remove the asbestos floor tiles in our basement and put down new tiles. Due to the safety concerns with removing asbestos tile, we are having that done by a professional; however, we plan to retile it ourselves. We noticed a bump in the floor and are wondering how to remedy it. The asbestos guy said that they could grind it down for extra cost (they'll have to grind the asbestos mastic) but he said that a better solution may be to have a new concrete floor poured because the concrete floor is likely thin. What would you recommend? It is the only bump in the entire floor. The rest is fairly level. The bump is not huge, but will require something to remedy it. I'd appreciate any suggestions. Thanks so much!
 
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Old 10-02-08, 11:34 AM
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The asbestos guy said that they could grind it down for extra cost (they'll have to grind the asbestos mastic) but he said that a better solution may be to have a new concrete floor poured because the concrete floor is likely thin.
Why do you think the concrete floor is "likely thin". It will probably be easier and a lot cheaper to grind down one high spot, than to pour a new slab. The best way to evaluate the slab will be to see what it looks like after the floor tiles and adhesive have been removed.
 
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Old 10-02-08, 12:31 PM
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Bump in basement concrete floor

Was the floor poured that way or are there some cracks showing that it heaved or down?

Now is the time to find the cause before you spend something.

Dick
 
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Old 10-05-08, 06:40 PM
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Thanks for your thoughts! We haven't had the tiles removed yet so we can't tell what the concrete near the bump looks like.

I'm not sure why the asbestos guy said that the concrete is likely thin. He is familiar with houses that were built around the same time as ours in the neighborhood so perhaps he is making the assumption based on that. There are some cracks in the concrete floor of a separate part of the basement that does not have tile, but generally the concrete in the part of the basement where it is exposed looks to be in good shape.

We'll have the tile removed and then take a look at the concrete in the area surrounding the bump.

Thanks!!
 
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