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Clean Moss from Roof Shingles

  • Transcript

    LESLIE: Hi, William. Tell us about what’s going on at your house? How can we help?

    WILLIAM: The moss is growing on my shingles. And I would like to know how could I treat it to stop that.

    TOM: Alright, well we can help you with that. There’s a couple of things that you’re going to want to do. First of all, the reason the moss is growing on your roof shingles is because probably it’s a shady area. And so anything you can do to add additional light to that area by trimming back …

    LESLIE: If you can trim back any trees. Just open it up so you get some more light on there because sunlight will help dry it up and kill it.

    TOM: The second thing that you’re going to want to do is wash the roof. There are different roof cleaners out there. One that works very well is called Jomax – J-o-m-a-x – available at home centers across the country. You mix it with bleach. You apply it to the roof and let it sit for 15 to 20 minutes and then scrub it off. You have to use it very, very carefully because if you’re going to be working on that roof, it’s going to be very slippery. If you’re uncomfortable, don’t do it yourself.

    And then once it’s clean, then you could use a little trick of the trade that Leslie and I like to talk about to stop that moss from coming back.

    LESLIE: Yeah, you can install a nickel or a copper ridge vent, which would go on the ridge of your roof. And then as it rains, as the rain hits the metal, the metal releases something which you’ll notice. You’ll see clean streaks washing down your roof which is going to get rid of any moss or mold or mildew growing up there. And you’ll see it’ll just help to continually keep it clean. So it’s something that once you get it done, you don’t ever have to look at it again because it will be doing it on its own.

    TOM: William, thanks so much for calling us at 888-MONEY-PIT. 

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