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    neetie sweetie's Avatar
    neetie sweetie Posts: 3, Reputation: 1
    New Member
    		  
    #1

    Jul 13, 2012, 02:29 PM
    How should I make a shower ceiling mosaic?
    I have a newly built stall shower and I want to make a mosaic ceiling. I have a sheet of hardiebacker 1/4" cut to the size of the shower, and I have my little tiny chips of tile. I was planning to build the mosaic on the board leaving holes in the design for screws. After screwing it to the ceiling over the drywall, I would fill in the mosaic over the screws. I'm wondering if it's a bad idea to put the hardie over the drywall. Should I cut the drywall out of the area and attach the board with mosaic on it directly to the ceiling joists?
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #2

    Jul 15, 2012, 02:30 PM
    Hi Neetie

    Glad to discuss the options here. You still around? Let me know as I post daily and am glad to discuss options, OK?

    Mark
    neetie sweetie's Avatar
    neetie sweetie Posts: 3, Reputation: 1
    New Member
    		  
    #3

    Jul 15, 2012, 09:58 PM
    I'm here Mark and I've got lots of questions! Will 1/4" hardibacker sag on the ceiling? It's 36 x 41. Do I need to put more wood into my ceiling or are the joists close enough together. Do I have to have screws (and wood to sink them into) at the edges of the mosaic or are 2 rows of screws about 1/3 of the way in from each side good enough?
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #4

    Jul 16, 2012, 05:37 PM
    Hi Again

    My first thought is for you to simply install the mosaic directly onto the ceiling drywall (without removing drywall)... would give best result, for sure! This is what a professional tile guy would do as the weight of the tile really needs to be supported throughout the area... not just in a few spots, right?

    Here, you could kind of draw out the design and then lightly skimcoat the drywall with adhesive and apply the tile in that way. I promise that the tile will NOT fall on you... ;)

    I really don't suggest doing it any other way as the weight is too great for a few screws to carry the whole thing. Further, if you install this by putting tile on the cement board you'll have a funny 1/2"-5/8" edge that will need to be dealt with by installing some kind of a finished edge (bullnose tile, tile edgere, etc.).

    That's my thoughts for now... glad to continue discussing with you if you want.

    Mark
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