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Old 01-28-2015, 02:40 PM   #28
MindBomber
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Quote:
Originally Posted by Lomac View Post
lol I know it's actually not hollow. To be honest I'm not entirely sure what happened. Maybe the soil below has dropped or some how it didn't settle below the rebar, but every time you walk on the floor, you can hear a distinct echo below your feet. Has a very metallic sound to it. Regardless it's annoying as crap and is something I've never heard before on a foundation.
It's likely a void beneath the slab, which typically occurs when they dig too deep during excavation and back fill to intended level. One solution is to inject foam under the slab to eliminate the empty space.
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