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-   -   Bathroom remodel questions (http://www.diychatroom.com/f80/bathroom-remodel-questions-176448/)

brettgv3 04-03-2013 05:22 PM

Bathroom remodel questions
 
Ok I am remodeling an upstairs bathroom and need some advice. I am using a cast iron shower base from Kohler and subway tiles in the shower and out around the walls 36" up. What is the best backer board materials to use in the shower, the ceiling and the rest of the walls?

Should I use a waterproof membrane over the backer board? Am I best to use a vapor barrier behind the backer board on the studs?

Has anyone here had any experience with the Dens sheild material?

I am doing this bathroom and want it done right. I expect it to last 50 years.

Not concerned about the cost, just the best method for avoiding moisture problems down the road.

Thanks for any and all help.

Bret

DannyT 04-03-2013 08:19 PM

a lot of people prefer the waterproofing over the backer board. if you use kerdi you can use regular drywall behind it.

Beepster 04-04-2013 11:07 AM

Your not getting any play from the pros, so i will add to what has already been said. I am in the process of finishing my basement. I am going to use Redguard over Durock as a sealant. And no vapor barriers. That would create a sandwich for the moisture to be stuck inside of.

B

Dave Sal 04-04-2013 10:33 PM

I did my bathroom about 6 years ago. If I were going to do it again, I would use Kerdi board. I've never used it but it seems to be a lightweight product, easy to cut and work with, and waterproof when you seal the edges.
http://www.schluterkerdiboard.com/

Burnt 04-05-2013 12:04 AM

Quote:

Originally Posted by Beepster (Post 1152213)
Your not getting any play from the pros, so i will add to what has already been said. I am in the process of finishing my basement. I am going to use Redguard over Durock as a sealant. And no vapor barriers. That would create a sandwich for the moisture to be stuck inside of.

B

That's what I did except I used Hardibacker and then the redguard. Not sure about the Durock but I'm guessing it's the same thing as Hardibacker as far as absorbing moisture.

If you use Redgaurd make sure you prime the surface first with a Reguard/water mix (I believe it's 50/50 but double check) or the backer board will absorb all the water and the Redguard will not cure properly. Otherwise a very easy product to use and completely water-proof a shower.

brettgv3 04-06-2013 04:32 PM

Thanks for all the input
 
Thanks for the input all. I am still unsure which way I am going to go, but it does seem I have several choices, and no one has thrown up a red flag to any of them. So thanks again, and keep th einput coming if you having something to add please.
:no:

ironman70 04-25-2013 12:39 PM

Im in the process of doing this as well. Trying to decide between using a vapor barrier behind the hardibacker or redguard on top.

My only concern is will air infiltration - a vapor barrie will, in my mind, help in that case whereas redguard will not.

Thoughts?

framer52 04-25-2013 12:43 PM

Could you explain how redguard will not stop air infiltration?

Seems that this thread has noted the best products and it then becomes which you will trust the most.

ironman70 04-25-2013 12:46 PM

In my mind, i can wrap the vapor barrier from around the three walls behind the green board that will be used outside the tub. i've never used redguard before so i was making sure it would work in my application.

brockmiera 04-25-2013 03:40 PM

No vapor barrier. Paint on waterproof membrane over CBU or Waterproof membrane like Kerdi. These are the accepted methods of constructing a waterproof shower now. If its water proof it will also be air tight. It will also keep water vapor from getting in the walls there too.

ironman70 04-25-2013 03:52 PM

Sounds like Redguard (or the like) is the way to go...thanks


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