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Concrete Slab below 2nd Floor Bathroom Tile??

appleman01's Avatar

Join Date: Feb 2010
Posts: 7

03-01-11, 12:08 PM   #1  
Concrete Slab below 2nd Floor Bathroom Tile??

I just started a bathroom renovation for a 2nd Floor Master bath and found a 3-4" slab of concrete below the original floor tiles and joists. Was this a common approach used on homes built in the 20's? I'm worried about the extra weight of the new bathroom if I leave it in place and also concerned about opening a can of worms if I remove it. Would you recommend I leave this slab in-place or start with a clean slate and rebuild the joists and sub-floor?

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Pulpo's Avatar
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Join Date: Jul 2008
Posts: 10,986

03-02-11, 07:08 AM   #2  
You're right about the worms & yes, it was common at one time. Leave it there.

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