Setting new drain - foundation repair

Old 05-07-02, 08:24 PM
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Unhappy Setting new drain - foundation repair

I am remodeling a bathroom due to a leaky shower pan. The drain was not reuseable so I chipped the cast iron drain and trap out of the cement floor. Now I have a hole in the foundation. I had a few questions about the patch.

Should I use rebar (if so what kind)?

How should I prepare the dirt? (I just tamped it down with a 3 Lb. sledge hamer.

What kind or cement should I use. I bought a bag of quickcrete that said it could be used for foundations.

I just want to do it right as its a foundation and I would hate to get every thing in there and then have it sink and mess up the shower. Here is a pic of what I looks like.

thanks in advance.

Sorry for the double post, but I did not get any bits over in the patching forum.
Old 05-10-02, 08:20 AM
Dr. John
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That is a fantastic photo!!!!!
no you do not need to use rebar! I use Thorocrete WaterPlug to
finish off the hole. I start by compacting soil up to the bottom of
concrete floor than add Playground Sand until it is half way up the
concrete. WaterPlug is a quick setting mud so when mixed you
have to work fast. I mix with water until the same as pudding so
I can dump it in the hole. I have found that pre-mix concretes
have too large of agregate in them to trowl out for a smooth finish
and they take forever to dry. Good Luck, and Please let us know
how it turns out.

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