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How to Get Rid of Mold on Patio Concrete

  • Transcript

    LESLIE: Alright. Now we’ve got Diana in Pennsylvania on the line who has a mold situation. Tell us what’s going on.

    DIANA: Yes, we have a courtyard. And part of that courtyard is unfinished concrete, which spends most of the day in shade. So we have a mold buildup that reoccurs.

    TOM: OK. And what have you done to try to clean that patio?

    DIANA: We have tried to remove that with a power washer and it just keeps reappearing.

    TOM: Yeah, it’ll keep doing that when you just sort of try to blast it away with a pressure washer because, usually, you’re not dealing with the source of the mold, which is the spores, as well as the environmental conditions that are allowing it to grow.

    So, let me give you sort of a two-prong approach here. First of all, the next time you have a buildup, I want you to treat that with a product called Concrobium. It’s a very effective mold killer. And it will deal with the mold at its root and that will dramatically lessen the chance that it can come back.

    Secondly, it would be in your best interest to try to find a way to get some additional sunlight on that patio. If that means cutting back trees or thinning out some branches, anything that you can do to get some more sun. Because nothing is a better mildicide or mold killer than natural sunlight.

    And so, if you can brighten that area up and then use Concrobium, next time, to get rid of that mold before you pressure-wash, I think you’ll get a much better result, Diana.

    DIANA: Oh, wonderful. Thank you so much.
     

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