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Unread 06-21-2011, 10:23 PM   #1
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Fixing someone's MESS!

Hi all. Newb here. I've done some remodelling and construction over the years - and have seen a lot - but have run into a doosy when I bought a rental home. The upstairs bath (small, about 3x6) had spongy floors. Upon tear-out I found a center joist cut lengthways AND in half for shower plumbing install (Bastards!!). So, I joined the joist with 2x4's screwed to each side, then screwed more 2x4's to those to support the plank flooring. I screwed planks over that, but they ended up being fairly short pieces - not ideal. Over that I put 1/2 ply (again, smaller pieces due to shape of room), then Durock.

Issue I have now is that the Durock, although "fairly" solid is not 100% solid and not 100% level. Should I use a self leveller, then tile it - or should I use a thinset and a final layer of Durock befoe tiling, or ??

Thanks in advance for your help!
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Unread 06-21-2011, 10:47 PM   #2
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Can you post picture of the hackery and your repair? I'm afraid using 2x4's to repair a joist may not hold up for a tile installation. If the floor feels a little soft now, it probably isn't up to par.

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Unread 06-22-2011, 07:45 AM   #3
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Welcome, e-tek. Please put a first name in that permanent signature line for us to use.

What Kevin said.

Without knowing a good bit more about your joist structure it'll not be practical for us to advise on an appropriate repair.

But for sure adding another layer of CBU to the floor will not help you at all.

Give more hints and some photos, eh?

My opinion; worth price charged.

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