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When the rain water passes over the copper flashing, a little copper gets mixed into the rain.
Which acts as a poison to the moss
and algae. The copper will change color to a green-like grey, but that’s a lot better looking than all that moss and algae!
The trick is to put the flashing under the tab of the shingle as far up the roof as you can. You can use a roofing tar and a few nails about every 32 inches apart. Making sure the flashing lays as flat as it can.
It’s always a good idea to run it the total length of the roof, why not, you’re up there anyway.
Besides copper, you can use zinc coated flashing but it may be harder to find in the stores. All flashing can be found at any home center.
how to prevent roof moss and algae
Comments ( 20 )
Would you please e-mail the name of the product Dominick used to clean the algae/moss off the roof in his you-tube video?
Thank you.
Rick Roehrich
What is the name of the "super-duper moss killer" used in the video on removing moss?
What did you use in the video to kill moss (super duper killer)?
On this site is how you make it. Look up “how to clean a roof”