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Unread 11-30-2011, 07:35 PM   #1
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Join Date: Nov 2011
Posts: 4
Styrofoam behind shower wall tile?

Thanks for checking out my first post and providing any incite you may have. I just recently removed the tiles from my shower walls to find that there was cement board on the bottom 18 inches and a layer of styrofoam from there up to the top of the tile area. There is a layer of drywall beneath all of this. My shower consists of two fully tiled (external) walls and a two wall glass enclosure. Was this done to provide insulation? I guess up to this point I had not considered insulating the walls beyond the fiberglass insulation that is already there. Should I?
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