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  1. #1
    Join Date
    Dec 2006
    Location
    Virginia, USA
    Age
    63
    Posts
    0

    Default Need a safe way to remove mortar

    The guys doing the fireplace in my new house addition did a great job on the stone work, but left mortar all over the slate hearth. I didn't notice it until the carpet was laid. What can I use to remove the mortar stains without damaging the carpet. I'm afraid to use muriatic acid. I've heard it's pretty potent stuff.
    When all is said and done, there is usually a whole lot more said than done.

  2. #2
    Join Date
    Aug 2005
    Location
    Victoria
    Posts
    412

    Default

    I'd get them back to fix it.

    Tools

  3. #3
    Join Date
    Aug 2007
    Location
    Noosa Heads
    Posts
    446

    Default

    Try rubbing the mortar stains with an offcut of the slate. It looks like the slate is very porous and it may be that the slate has absorbed lime or calcium type salts which could be impossible to remove. If the mortar stain is just on the surface then careful rubbing will remove it.

  4. #4
    Join Date
    Sep 2007
    Location
    Sydney
    Age
    62
    Posts
    133

    Default

    Quote Originally Posted by Tools View Post
    I'd get them back to fix it.

    Tools
    +1, unless they forgot to send you the bill, then I'd have a go.

  5. #5
    Join Date
    May 2007
    Location
    Bundoora, Melbourne
    Posts
    197

    Default

    A weak hydrochloric acid:water solution could work, or try a garden supply for a masonry cleaner, that removes mortar deposits

    I would be ringing the contractor first though
    Planned Landscape Constructions
    www.plannedlandscape.com.au

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