Finishing Cement Board

Discussion in 'Remodel Forum & Blog' started by viennamicro, Sep 30, 2007.

  1. viennamicro

    viennamicro New Member

    Joined:
    Oct 31, 2006
    Occupation:
    Executive Officer, 7th ID, USAAC, 11th ACR, ALMC,
    Location:
    Vienna, WV
    I'm replacing my bathroom walls with cement board and need to know how to finish them - specifically, what is the "skim coat" material I should use on it?

    I thought about drywall mud, but after thinking on it some more, I don't believe it's a good idea. I plan to put up a tub surround in the shower and I want to paint the walls.

    Can anybody help on this one?
     
  2. geniescience

    geniescience Homeowner

    Joined:
    Nov 27, 2005
    Occupation:
    ditto
    Location:
    humid summers hot, humid winters cold
    plaster you buy as dry powder and then mix with water will be a bit better than drywall compound, because of the way it holds together better when moisture gets into it.

    outside of the shower surround, how much water will get on the wall?

    david
     
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  4. viennamicro

    viennamicro New Member

    Joined:
    Oct 31, 2006
    Occupation:
    Executive Officer, 7th ID, USAAC, 11th ACR, ALMC,
    Location:
    Vienna, WV
    With any luck, the walls will be dry except for accidents.
     
  5. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Joined:
    Sep 2, 2004
    Occupation:
    Retired Systems engineer for defense industry.
    Location:
    New England
    Generally, except around the tub/shower, cbu is not generally particularly useful. Normal drywall outside of the shower is fine. In the tub/shower, install a vapor barrier on the walls first, lap it over the tub's tiling flange, cut it off after you get the cbu up.

    The setting wall compound is a little stronger outside of the shower, but the premixed stuff should work as well. WIthout the tapers, it is a little harder to get a nice joint, but possible.
     
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