How is the best way to fill a construction hole under a shower on a concrete floor

catdaddy43 Posts: 1, Reputation: 1

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Jul 22, 2010, 03:18 PM

How is the best way to fill a construction hole under a shower on a concrete floor

I have attempted to mitigate radon in my basement, have caulked all cracks that are exposed. Level is still too high and the only thing left is is the opening that is always formed when the floor is poured for placement of a shower. Can't figure out how to get foam back to the opening so I was thinking of trying self leveling concrete mixed thin and run through a funnel and tube. Anyone have any ideas.

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