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Old 11-15-2006, 08:11 AM   #1
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2nd Floor Subfloor Replacement, HELP!


Hi, all! I need to replace a large portion of the subfloor in my 2nd floor bathroom. I have a rectangular shaped bathroom and need to repalce about 1/3 of the entire subfloor - the area around the toilet and under the bathtub. I have most of it figured out, however I need to know how I will secure the new subfloor when the new floor will go right up to the framing for the next rooms. How does that work?!?!?

I am in serious need of your advice! Thanks in advance!

Leah in MN

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Old 11-15-2006, 08:16 AM   #2
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2nd Floor Subfloor Replacement, HELP!


To follow up...here are a few pictures of my "mess".
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2nd Floor Subfloor Replacement, HELP!-1.jpg   2nd Floor Subfloor Replacement, HELP!-2.jpg   2nd Floor Subfloor Replacement, HELP!-3.jpg  

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Old 11-15-2006, 04:58 PM   #3
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2nd Floor Subfloor Replacement, HELP!


Hi Leah,
I think I understand what you are asking. You are saying that you need to have something to screw the new plywood into along the edge of the room...
If I am seeing this correctly, There is a 2x4 and a piece of blocking near the right side of the bathtub...thats what you need to do. When I did my bathroom subfloor I used joist hangers to "block" pieces of 2x10's (that is the size of the joists) between the joists so I had something to screw the new subfloor to. You can then add blocking within the blocking to run 2x's parallel to the joist along the wall. My carpenter friend said that in areas where there is alot of plumbing or other obstacles you can get creative...if you have to use 2x6 or whatver thats fine.
I found this picture on a image search for you. Not the greatest work but this is the idea.

http://www.colantonio.net/home/kitchen-floor-20.jpg

Note the 2x4's along the edge of the wall that facilitate attaching the subfloor...use 2x6 if feasable.
Let me know if that helps and if Im even barking up the right tree.
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Old 11-15-2006, 06:50 PM   #4
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Originally Posted by leahjane10 View Post
I have most of it figured out, however I need to know how I will secure the new subfloor when the new floor will go right up to the framing for the next rooms. How does that work?!?!?



Leah in MN
Will the tub be removed?

"Sister" on another 2x4 or 2x6 to the current floor joist that you are unable get enough area to nail the sub floor to.
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Old 11-15-2006, 07:01 PM   #5
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2nd Floor Subfloor Replacement, HELP!


From what I can see in the last picture, the tub is already out, no?
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Old 11-15-2006, 07:05 PM   #6
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LJ,

When you nail the sister board on, use 16d nails or 3" screws (which might be easier) along with some construction adhesive if possible. Two nails every 16 inches should be fine for long runs.

I've used joist hangers as well when applicable.

And off topic, what happened to your other project? I was following you on another thread in March or April and I never found out what happened with that.
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Last edited by KenTheHandyMan; 11-15-2006 at 07:06 PM. Reason: Asked a question.
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Old 11-15-2006, 07:07 PM   #7
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From what I can see in the last picture, the tub is already out, no?
I think that you are correct.
I glanced at the last photo and thought it was from a different angle.
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Old 11-15-2006, 07:07 PM   #8
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If sistering with a 2x doesnt recess too far under the wall and allows for a good amount of space to screw then that is fine. In my bathroom floor it didnt quite make it...For yours, I cant really tell from the picture.. If not, you will have to block and then add a 2x along the wall as stated before.
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Old 11-15-2006, 07:10 PM   #9
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LJ,

And off topic, what happened to your other project? I was following you on another thread in March or April and I never found out what happened with that.
It appears to be the same project.
Work in progress.
She has made good progress for not doing a task like this before.

I am hoping she has another bathroom to use while this one is being remodeled

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Old 11-16-2006, 12:39 PM   #10
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2nd Floor Subfloor Replacement, HELP!


Well, heck. I was hoping that nobody would remember the posts from last winter since I have obviously not done much since then. Haha. I put it on hold because I wasn't sure how to get that subfloor in. That, and summer arrived in Minnesota, which means that worked on other projects outside.

Since I was at a standstill with the project, my father-in-law said he would work on it. He is so incredibly sweet do this for me, but the way he did it made the floor uneven (don't ask) and even though I am not very experienced in this kind of thing, I know that it just isn't "right" and would cause problems if I keep it as is. It seems that it won't be a terrible pain to do what you have told me.

THANKS for the advice. I honestly couldn't do this if it wasn't for people like you that are willing to help!

Leah

P.S. I was able to quickly learn how to install a toilet...because I needed one in my "other" bathroom a few months ago. I am glad that it was a pretty easy thing to do!
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Old 11-16-2006, 12:45 PM   #11
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2nd Floor Subfloor Replacement, HELP!


P.S. Dougrus...That picture is EXACTLY the visual that I needed. Many thanks - I will also show this to my father-in-law (after I somehow break it to him that I am going to rip out the work he did).

Leah
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Old 11-16-2006, 05:03 PM   #12
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Glad to help

Good Luck!
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Old 11-17-2006, 07:49 AM   #13
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Originally Posted by leahjane10 View Post

He is so incredibly sweet do this for me, but the way he did it made the floor uneven (don't ask) and even though I am not very experienced in this kind of thing, I know that it just isn't "right" and would cause problems if I keep it as is. It seems that it won't be a terrible pain to do what you have told me.

Better to do it right the first time even if it takes a little bit longer time.


P.S. I was able to quickly learn how to install a toilet...because I needed one in my "other" bathroom a few months ago. I am glad that it was a pretty easy thing to do!

Once you get the floor down the rest should seem to be "easier".

What type of floor are you going to put down? (ceramic tile, vinyl, laminate...)
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Old 11-17-2006, 07:51 AM   #14
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I am planning on ceramic tile.
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Old 11-17-2006, 08:19 AM   #15
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Was there ceramic tile on the previous floor before you started the remodel?

How thick was the plywood on the old floor?

How thick will the new plywood be?

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