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Rotten spot in bathroom subfloor

 03/19/2005 11:08 PM tallycat77
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rotten subfloor near tub edge.

03/20/2005 09:16 AM MistressEll
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Trying to figure this subfloor thing out...

03/20/2005 06:20 PM tallycat77

Ell-thanks for all the insight and sage advice. I believe that the bathroom floor problem came from water out of the tub/shower and possibly a toilet leak. From under the house this afternoon I could see some water marks coming from where the toilet sits. I also noticed drops of water coming down the toilet drain pipe and the back side of the tub. I have recently caulked around the tub spout (but I mistakenly left the hole on the underside of the spout uncaulked... should I caulk there too?) As you can tell, I am admittedly a beginner at home repair. I think at this point and based on your reply, I have a problem with the toilet drain and the caulking around the tub and grout in the tiles.
A little more info on the subfloor foundation. The space in between joists is actually 22" (I measured this afternoon). When you said I was already on the weak side at 16", I cringed. These are 2X4's with the metal V connector pieces attached to another 2X4. This is a townhouse built in 1986.
How am I supposed to install these additional supports in between joists? The 2X4's lay with the 4" along the floor, am I to drill through the entire 2X4 to reach the perpendicular support? Somehow I doubt it, but can't think of how to attach.

The floor joists run perpendicular to the tub and there is one that I can touch through the hole and another one almost to the back of the tub. You are correct and the plumbing wall is ontop of this subfloor. I pulled away a bit at the bottom and can see the wall. It's not wet and I don't really know how to tell if there is damage. On the other side is the range, a cabinet and then the fridge. There are two different woods I can see from underneath, the original 1" on the bathroom side and then a newer on the kithcen side. The old fridge also had a hole in the condenser bowl (I could see that it had been patched) that may have leaked on that side.
I am getting a little frustrated at this point, only because it is an area that I do not completely understand. I am on a budget, but don't mind doing the labor myself as long as I know what I am doing. From your reply, my mind has now shifted to the tub... Even with the toilet and vanity/sink out of the bathroom, how in the world would I get that tub out??? Am I going to have to retile the whole enclosure? I am one who tends to prefer to handle one thing at a time, but with issues like this, I understand everything must be considered. What will be the first (of many I am now sure) to correct this bathroom problem? Your patience is appreciated as this beginner is eager to learn and to resolve this "issue". Thanks again.
Best regards,
Tally

Tallycat77

Member Since
03/05/2005

Total Contributions
38 Posts

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Getting ready for this flooring project...

04/05/2005 05:21 PM tallycat77
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Sorry I am tardy in reply

04/06/2005 08:51 PM MistressEll
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that leaky toliet

04/06/2005 09:05 PM MistressEll
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More info on floor joists

04/06/2005 09:28 PM tallycat77
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the lip to marry old/new subfloor seams

04/07/2005 11:40 AM MistressEll
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or is it this way

04/07/2005 11:52 AM MistressEll
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Ell more answers, better this time...

04/11/2005 04:53 PM tallycat77
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Tally....Floor truss.......like this ?

04/07/2005 12:04 PM doug seibert Moderator
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Thanks Doug - you've got it!

04/07/2005 12:36 PM tallycat77
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Project scheduled to start on Saturday!

04/10/2005 07:18 PM tallycat77
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more questions

04/11/2005 09:21 AM doug seibert Moderator
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Answers to questions

04/11/2005 01:35 PM tallycat77
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truss floor construction

04/12/2005 01:05 PM doug seibert Moderator
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In reply to the "no can do"...

04/12/2005 03:17 PM tallycat77
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Chickened out last weekend...

04/20/2005 05:30 PM tallycat77




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