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Discovered a leak in a bedroom ceiling after a particularly severe rainstorm. When I went into the attic, I discovered the mold as shown in the pictures. I went on the roof and it seems that some shingles blew off and is most likely the source of the leak. I can replace the shingles, but what is the step-by-step process to safely remove these mold growths? I was planning on wearing an N 95 mask, going up with a scraper, and knocking these growths into a box, which I would then dispose of outside. Then, I was thinking of maybe spraying the area with a bleach water mixture? Then, I figured I would post here first to get some more informed input before I did anything!

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RySteg
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  • Or this? [What is the recommended way to destroy mold?](https://diy.stackexchange.com/questions/14680/what-is-the-recommended-way-to-destroy-mold) – isherwood Nov 09 '23 at 22:25
  • I've wondered for a while now if you could treat established mold with copper azole. It would certainly discourage mold from returning. – popham Nov 09 '23 at 23:18
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    Never scrape the wood the spores go deep and you will damage the OSB, spray with hydrogen peroxide for best results , bleach works if you can handle the smell and don’t mind the bleach residue, hydrogen peroxide breaks down to water and oxygen. – Ed Beal Nov 10 '23 at 01:41
  • boric acid will kill fungus of any sort. – dandavis Nov 10 '23 at 06:57
  • @EdBeal How are you doing? Miss you on this site. – JACK Nov 10 '23 at 12:47

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