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 )
what is the product used by Dominick to kill moss on roof?
hi dominick i would like to know about the pool shock liquid brand name ..if i us 1 gallon of the pool shock and add 2 gallon of water if its gonna work the same way of the video of roof sparkle …if not can you tell me what i need to used to have the same result im from moncton new- brunswick , canada and we have a lots of problem of that black mold and algae ..i own a roofing company here thank you