One brand name is moss b ware.
Zinc sulfate roof moss.
The technique most roofing contractors use when putting a zinc sulfate or zinc chloride compound is conducive to killing moss in patches creating a dalmatian like pattern.
According to the manufacturers zinc sulfate will not stain roofs or corrode aluminum and galvanized gutters.
Zinc strips can be installed at the top of your roof to prevent moss from growing.
It will also corrode all of your fasteners allowing water to get underneath your shingles causing costly roof leak repairs.
The active ingredient for some moss killers is zinc sulfate monohydrate usually at concentrations of 99.
Apply the zinc sulfate at a rate of 3 pounds for every 600 square feet of space as recommended by.
As rain runs over the strips zinc drips down your roof.
To use zinc sulfate one can apply powder directly to moss areas.
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Zinc sulfate general information.
Among the products to use with caution are zinc potassium salts of fatty acids and oxidizing bleaching agents that do not contain chlorine.
Removing unsightly moss from your roof is an important part of home maintenance.