11/25/2023 0 Comments Kill roof moss with bleachWe have vinyl siding on our garage and I've gotten the green gunk off of it with plain castille soap and water an a rag. The green gunk was looser but still needed to be scrubbed off. And thinking about when I used oxygen bleach on the deck, it worked best on the dirt. It might work, but scrubbing the shingles will cause damage so you'd have to resort to standing on your roof peak and dumping buckets of bleach mix down in the hopes enough of it stays long enough to kills the algae on it's way down. Algae on your roof may be a different story. I used oxygen bleach to clean our pressure treated wood deck and the surrounding plants were unharmed. I have no factual knowledge here, but I would be inclined to say oxygen bleach will not work on the moss on your bricks. Who knows, a drop or two of tea tree oil may help there as well. What about oxygen bleach? Is that just as harmful as chlorine bleach? What about zinc sulfate or zinc/copper strips installed on the roof line? Or do I need to just scrub the bejeezus out of the shingles?ĭo any of you have any suggestions for an eco-friendly method of removing roof moss that someone can easily do themselves? Or is it just better to hire someone with the chemicals, the skills and a roof pressure washer to take care of business?Īnother Jennifer here, Assuming the photo is of your yard, I would see what would happen if you scraped off as much of the moss as you can and then treat the roots with the vinegar solution. Has anyone had any success with this or does it just come right back? Or is some sort of allegedly eco-friendly commercial product the way to go? I've read that 1/4 vinegar to 3/4 water solution will kill the algae. But, this is an environmental quandary since bleach presents all sorts of problems in general and, when used outside, causes even more issues specifically dealing with runoff into storm water drains and groundwater. So, what's a green homeowner to do about the green? Well, the classic method of treating moss and algae, whether on roofs or sidewalks, is good old-fashioned bleach. Well, our roof is about 10 years old, so I guess it's time for the embedded shingle chemicals to stop doing their moss fighting duty. I recently started noticing that a portion of our roof was getting a little green, even though it was in an exposed area that gets lots of daylight and no shade. I'm surprised that, after living in wet and rainy Seattle for so many years, we've never had a problem with roof moss before.
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