Moss is more than just ugly it can dam and divert water runoff causing water to leak into your home.
Zinc sulphate for roof moss.
It will also corrode all of your fasteners allowing water to get underneath your shingles causing costly roof leak repairs.
Removing unsightly moss from your roof is an important part of home maintenance.
To use zinc sulfate one can apply powder directly to moss areas.
According to the manufacturers zinc sulfate will not stain roofs or corrode aluminum and galvanized gutters.
Moss b ware is 99 percent zinc sulfate monohydrate a proven moss killer and moss deterrent.
Zinc strips can be installed at the top of your roof to prevent moss from growing.
With either treatment method some moss will slough off naturally as it dies.
Zinc sulfate general information.
The active ingredient for some moss killers is zinc sulfate monohydrate usually at concentrations of 99.
Instead of using moss powder these homeowners should have used roof life of oregon s roof maintenance program.
Unfortunately for these homeowners moss powder is a form of zinc sulfate which is a corrosive chemical compound that only kills moss in patches while allowing water to get underneath your shingles causing leaks.
In fact one way to prevent moss from growing in the first place is to attach zinc strips to the ridge of your roof.
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Zinc is known to be toxic to fish and ncap does not recommend this as a first option.
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.
However while mixing and spraying a zinc sulfate solution you must be careful to protect the surrounding vegetation and watershed.
Among the products to use with caution are zinc potassium salts of fatty acids and oxidizing bleaching agents that do not contain chlorine.
One brand name is moss b ware.