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FLooring question


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02-21-13, 09:57 AM   #1  
FLooring question

I'm planning on tiling my bathroom, unfortunately i have particle subflooring. this brings me to a couple of questions. how thick would the plywood i lay down need to be if i am going to use cement backer board? and what would the best type of plywood and backerboard to use?

 
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02-21-13, 10:06 AM   #2  
Welcome to the forums.

Let's start with the basics - what's under the floor; what is the size, spacing and unsupported span of the floor joists?

 
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02-21-13, 12:56 PM   #3  
How can I get these measurements ? Looks like plywood underneath the particleboard.

 
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02-21-13, 03:18 PM   #4  
Is it particle board or OSB? What mitch is asking is what is your joist size (2x8, 2x10, etc. ) and what is the distance between any supporting member (wall, column, etc.). You'll probably have to go under the house or in the basement to view this.

 
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03-05-13, 05:47 PM   #5  
Excuse my absence. my brother went ahead and removed the sub flooring but now on the main floor which is plywood, has water damage where the toilet would stand. I am interested to know if you replace the areas where there is water damage or if you replace the entire floor? I do not believe the joists sustained any water damage. Underneath the floor (basement) the bathroom stands above the water heater. The joists are spaced 12''/ 1 foot apart. I'm unsure of joist size but they run from the main beam to the end which is AROUND 13'2" in length. side note: we moved into the house 2 years ago, and are unsure of other problems such as this water damage.

 
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03-06-13, 04:13 AM   #6  
How much of the sub floor is damaged? A pic or two might help - http://www.doityourself.com/forum/el...-pictures.html


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03-06-13, 07:04 AM   #7  
What was the reason for the water damage and has it been resolved?

 
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03-06-13, 02:05 PM   #8  
i am unsure of the water damage. i will post a couple of pictures of the floor. the water damage is heaviest where the toilet was.

 
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03-06-13, 02:36 PM   #9  
Leaking stools are common, you definitely want to fix a leak before putting down the new floor.

 
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03-06-13, 06:21 PM   #10  
there is no leakage that i have noticed for the past month from the time that removed the previous linoleum. I am assuming it was leaking because the wax seal was composed of wax only so the water could have been slowly seeping through.


Last edited by jakeyjakeyjake; 03-06-13 at 09:12 PM.
 
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03-06-13, 06:41 PM   #11  
Floor

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Sorry about the sideways. I could not figure out why they were being turned.
Can anyone answer why all those holes are there? hmmm.

 
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03-07-13, 03:15 AM   #12  
They look like extrusion holes....you know to make it lighter in weight? No, that's not right. The elongated one may have been to countersink a toilet? Nooo! Aha! There was a woman involved with the design and she couldn't make up her mind where to put the toilet. That's it!!! Oooh, I'll catch it from Becky, now!

 
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03-07-13, 06:42 AM   #13  
I think i am just going to get me my plywood and replace the entire area. lol

 
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03-07-13, 07:14 AM   #14  
I think that might be the easiest way to proceed at this point.

 
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