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    erskatedoc's Avatar
    erskatedoc Posts: 5, Reputation: 1
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    #1

    Nov 13, 2011, 08:15 AM
    Mold on concrete
    I get green moss (or mold) on my concrete in the back yard every winter. I power wash it and reseal it, but seems to come back every year. The area affected does not get sunlight in the winter months.

    Any suggestions??
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
    Uber Member
    		  
    #2

    Nov 13, 2011, 10:47 AM
    Not uncommon under the conditions you describe. Wait till it is warm again, soak with an algae/moss killer solution, power wash, wait until the concrete is very dry and then apply a concrete sealer.
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