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  1. #1
    Join Date
    Feb 2010
    Posts
    1

    Question Lathe and plaster walls

    Our home was built in 1903 and has SEVERAL layers of wallpaper throughout. I sc****d the stairwell down to the "mudding" layer and some spots are down to the plaster. My husband thinks I have weakened the wall structure where the plaster is showing. I think not and feel we can just continue to remove the wallpaper down to the "mudding" and the places that the plaster shows through can be covered with something else to even the surface out for painting. I could be wrong and the "mudding" isn't really "mudding" but part of the plaster too. Help!!
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  2. #2
    Join Date
    Jan 2010
    Location
    Northern Virginia
    Posts
    1,173

    Default Re: Lathe and plaster walls

    The pictures came through so small that can't tell if I'm seeing old wallpaper residue, old wallpaper paste, or drywall paper. If your walls are plaster, not drywall, they would have one of these surfaces: 1) A smooth white coat of plaster. This is waterproof and any amount of scrubbing isn't going to bother it, and you can keep scrubbing with wallpaper remover until the surface is clean and ready to paint.
    2) a "float finish " or "sand finish" plaster. This is a coarser texture than in 1), and the surface was left intentionally sandy and rough. If wallpapered over, it's harder to get the paste off, but still, it is waterproof and scrubbable, tho' you will probably loosen some of the sand, but won't remove all of it.
    If there is some other condition, it is not original. There was no drywall in 1903.
    S_M
    Remove not the ancient landmark, which your fathers have set.

  3. #3
    Join Date
    Aug 2009
    Location
    Ladson,SC
    Posts
    192

    Default Re: Lathe and plaster walls

    I agree except that Gypsum interior plaster is not waterproof.

  4. #4
    Join Date
    Jan 2010
    Location
    Northern Virginia
    Posts
    1,173

    Default Re: Lathe and plaster walls

    Lime, lime & gauging, and Keene's cement plasters are all waterproof enough that they can be scrubbed without reverting to a former state. Keene's is particularly tough.
    S_M
    Remove not the ancient landmark, which your fathers have set.

  5. #5
    Join Date
    Aug 2009
    Location
    Ladson,SC
    Posts
    192

    Default Re: Lathe and plaster walls

    Keene cement is a very good product for moist areas. We have used this product for years in showers and commercial kitchens.
    Lime , gauging and gypsum plaster are affected by moisture and are not waterproof.Scrubbing will NOT effect the plaster.

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