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What to treat a roof with after removing moss??

  • 09-04-2025 02:08PM
    #1
    raspberrypi67
    Registered Users, Registered Users 2 Posts: 830 ✭✭✭


    Hi,

    I'm almost finished removing moss from my roof and i am wondering what is usually used

    as a preventative for the return of moss on the roof.

    Many thanks

    Rich



Comments

  • #2
    10-10-20
    Registered Users, Registered Users 2, Paid Member Posts: 9,265 ✭✭✭10-10-20


    A copper strip.

    https://www.askthebuilder.com/roof-moss-video/#gsc.tab=0

    It's not commonly done here as moss is only a cosmetic issue and doesn't cause roof issues, but is typically an indication of significant tree debris.

    You could try embed copper nails (just not 'copper nails' from Temu because that's just not copper) in the gaps around selective tiles, and the corrosion of the nails over time will keep the roof below that area free of moss.



  • #3
    raspberrypi67
    Registered Users, Registered Users 2 Posts: 830 ✭✭✭raspberrypi67


    could I put a whole copper strip across the capping tile up top I wonder .Should I also use this Algon stuff?



  • #4
    10-10-20
    Registered Users, Registered Users 2, Paid Member Posts: 9,265 ✭✭✭10-10-20


    https://www.boards.ie/discussion/comment/123341364#Comment_123341364

    Algon is a treatment of existing growth and not a prevention of new. Try copper, even coins will do, embedded slightly under tiles.



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