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-   -   Ditra on covered Balcony (http://www.diychatroom.com/f5/ditra-covered-balcony-116809/)

Siegelpmp 09-10-2011 03:36 AM

Ditra on covered Balcony
 
My first post, and tile project. Planning to use ditra on a 175 sq ft. covered 2nd story balcony. Substrate is a like an epoxy or elasotmeric over plywood. Wondering about what morter to use under the ditra. Also there is one area on the deck that has a small hump, may 1/4 in height where the surface is not perfectly flat. You cant see it, but i checked with a long straight edge. Friend recommended using Flex Bond, but it takes a long time to set. I thought about using hardiboard under the ditra to smooth out the area, but that would mean. Not concerned about the cost, but adding the hardiboard raises the height of the porceline tiles a bit higher than i think i have room for. Ive enjoyed reading other posts and decided to throw this post out and pray for some sound advice.:thumbsup:

Also, this forum seems to acknowldege using Ditra. But I have talked to several building suppliers that have never heard of Ditra. Wondering why that is.

JazMan 09-11-2011 08:58 PM

You should start with a good flat structurally sound subfloor and joists system. The balcony should have the proper pitch for run off. How it's built depends on many factors that we'll get to with a few more Q&A's.

One thing for sure, you can not use Hardie backer outdoors. Anyway, how would a concrete backer or plywood take that hump away? It's not possible.

Quote:

Also, this forum seems to acknowldege using Ditra. But I have talked to several building suppliers that have never heard of Ditra. Wondering why that is.
You've been talking to the wrong people. That's a good question to ask them to answer why not.

Jaz

JazMan 09-11-2011 09:06 PM

system error - post duplicated


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