To keep the algae from coming back insert 6 inch wide strips of zinc or copper under the row of shingling closest to the roof peak leaving an inch or two of the lower edge exposed to the weather.
Removing moss on metal roof.
That way whenever it rains some of the metal molecules will wash down the roof and kill any algae trying to regain a foothold on your shingles.
Maintain a consistent flow of moss killer down the line.
Copper is more toxic to moss and algae but zinc is.
Dispense the moss killer in lines about 2 feet apart parallel to the roof ridge.
If you need to get rid of moss on your roof the hardest part is the labor required.
Pine sap decaying leaves and even road dirt that s drifted into the air can settle on your metal roof and stain it.
Most of these substances can be removed by a mixture of cup tri sodium phosphate and 1 gallon of water.
Typically customers don t see lichen regrowth for up to a year.
When leaves and other material collect on your roof a perfect bed is formed for moss and lichens to grow.
Attach strips of zinc 37 the home depot or zinc coated metal flashing strips just below a roof s peak or ridge caps.
With either method work down the roof to keep from lifting and breaking shingles.
Remove moss and lichen from your roof with vinegar.
If you re going to use one of these solutions to remove moss climb down from the roof and cover any landscaping that s in the line of fire with a plastic tarp.
Get a stiff bristle scrub brush and attach it to the end of a pole if you don t have a random pole hanging around a broom will work as well.
Mosses and lichens grow in damp conditions.
Wet forget is a safe roof cleaner that will remove lichen without any scrubbing or scraping.
Carefully get up to your roof and brush downward to knock the moss loose.
You can physically remove moss from your roof with a long handled scrub brush if you re careful not to overdo it.
Apply cleaning solution only after the roof and moss are thoroughly wet.
When it rains water flows over the metal strips leaching out moss retardant zinc particles which attach to roof shingles and or tiles to stop new moss from forming.
Stop a moss problem from returning by installing strips of zinc or copper coated sheet metal just below the top ridge on both sides of the roof.
Moss itself is a plant while lichen conisist of a fungus and a photosyntheizing plant living together.
Spray this mixture onto the roof and agitate it with a soft bristled brush to get it clean.
In the midwest many customers won t see regrowth for up to 3 years.
Apply the moss killer to apply dry powder moss killer place an extension ladder against the house and climb to the roof.
