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lichen roof

  • 22-08-2018 9:16am
    #1
    limnam
    Registered Users, Registered Users 2 Posts: 9,294 ✭✭✭


    Sorry if this is the wrong forum for this


    Anyone know of any good ways to remove lichen from a roof ?


Comments

  • #2
    macraignil
    Registered Users, Registered Users 2 Posts: 3,594 ✭✭✭macraignil


    Why do you want to remove the lichen? It would not be doing any damage to the roof.


  • #3
    looksee
    Registered Users, Registered Users 2 Posts: 29,095 ✭✭✭✭looksee


    Are you talking about lichen or moss?


  • #4
    limnam
    Registered Users, Registered Users 2 Posts: 9,294 ✭✭✭limnam


    macraignil wrote: »
    Why do you want to remove the lichen? It would not be doing any damage to the roof.


    Because it looks like I have a polka dot roof? :pac:


    I've been reading over time they can begin to cause problems


  • #5
    limnam
    Registered Users, Registered Users 2 Posts: 9,294 ✭✭✭limnam


    looksee wrote: »
    Are you talking about lichen or moss?


    Lichen


  • #6
    macraignil
    Registered Users, Registered Users 2 Posts: 3,594 ✭✭✭macraignil


    I found this linked article informative and it does mention some treatments if you do think they are necessary. The fact you have lichens on your roof apparently is a sign you live somewhere with good air quality. I get the impression from what I read that it would be more moss and rooting plants that could cause a structural problem to the roof over time. The article in the link claims "Moss and lichen will reduce the life expectancy of the roof by a few years over a 100-year life expectancy and is therefore negligible.."


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  • #7
    looksee
    Registered Users, Registered Users 2 Posts: 29,095 ✭✭✭✭looksee


    I can see how moss could cause issues by disturbing slates, but most lichen would not do any harm I think. There are products for removing lichen, I think it would depend a bit on what kind of roof you have. You would also have to balance the damage potential of climbing on the roof, or of spraying chemicals that could drift onto your garden (and you).


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