>Thanks for the quick replies. Shortly after sending my first message I did some more research and I'm amazed at the varying opinions on how to do this job correctly. But I am reading a lot of people saying that 2 vapor barriers could cause problems. So basically if I understand correctly, I should use unfaced bats for insulation then a vapor barrier over the studs and then the backer board.
>Does anyone have any first hand knowledge of Redguard or the similar Laticrete product? I'm wondering if that would be an even better choice as it seems like it would stop the moisture before it got behind the backer board. I'm sure it would cost more than the poly vapor barrier but if I can pull this off, then I would be saving on labor so cost of product wouldn't be such an issue especially if the job is done right. Thanks again for the replies. I appreciate it. Christine
The vapor barrier must be behind the cement board.
I believe "backer-board" is the wrong application
for a wall that will get repeatedly wet.
And a lil acrylic/addmix used in your thinset will
increase adhesion. I have tried the gallons of
premixed thinset and found that it fried *SO* slowly
it caused more trouble than it was worth. Mix your own.
Wait 10 minutes! The mixing you did was great, but
the stuff needs to rest. Then go to work. Need more?
Make it. Do NOT try to reuse or remix what you have left.
Protect your tub from your foot traffic and the
sand in this. Old blanket?
BillSF9c
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