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Old 09-28-2012, 02:31 PM  
drewdin
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Default advantech over advantech?

I am in the process of building up my bathroom from the joists up, I have one layer of 3/4" advantech down now. I am planning on adding another layer of 1/2" plywood over the advantech.

Is there a better material to use other than plywood, should I use a second layer of advantech? Any advise would be appreciated, thanks.



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Old 09-28-2012, 04:41 PM  
nealtw
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If your tileing, 1/2" concrete backer board?



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Old 09-29-2012, 05:43 PM  
Wuzzat?
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The Advantech doesn't seem that much stiffer than plywood.
http://www.advantechperforms.com/advantech-advantage/strength-stiffness.aspx
Don't forget to stagger the seams of the sheets.

http://www.advantechperforms.com/uploads/resources/installation/AdvanTech%20Ceramic%20Tile%20at%2024%20oc-06082010123729.pdf

http://www.schluter.com/print/media/datasheets/schlueter_db_uncoupling_us_0806.pdf

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Old 10-02-2012, 09:09 PM  
drewdin
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this is going to be for a future hardwood floor. I guess I can get away with 3/4" subfloor if I go with 3/4" wood. I need to make my mind up

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Old 10-02-2012, 09:23 PM  
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I'm not a fan of hardwood in a bathroom. You should be able to put the hard wood on that floor. If you do put down another 1/2", make sure you glue and screw it well and longer screws thru into the joists and as suggested offset joints.
I just can't imagine how you would protect the wood from getting wet sooner or later.
It on takes one time.

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Old 10-12-2012, 12:57 PM  
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I mixed posts here, I was planning on putting wood in the living room which also needs an under lament. I never planned on putting wood in the bathroom, that was my mistake.

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Old 10-12-2012, 04:45 PM  
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Good, I have seen bathrooms with hard wood, don`t like it.



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