If you want to avoid damage to your roof here are some ways to prevent moss from growing on your roof from the start.
Keep moss from growing on roof.
Copper is more toxic to moss and algae but zinc is.
If treating a roof nail strips on.
To prevent moss from growing on your rooftop remember that moss is attracted to damp and shaded areas.
You should consider trimming trees that shade out the roof or moving garden features like pergolas or trellises so that they do not cast shade on the roof.
Spray the moss covered roof with a moss control product or sprinkle the material on depending on the product formulation.
Over time as rain falls zinc residue coats the roof to prevent moss growth.
In fact one way to prevent moss from growing in the first place is to attach zinc strips to the ridge of your roof.
The branches and leaves offer shade from the intense sun.
Potassium salts of fatty acids applied using a hose end spray attachment.
Eliminating either of these items will help reduce moss growth.
These are on average around 3 inches wide and you can nail them a little below the peak of the roof.
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.
Remove sources of shade.
Limit shade and clear any debris that could lead to moisture on your roof.
Moss b ware moss b ware is 99 percent zinc sulfate monohydrate a proven moss killer and moss deterrent.
Nail the zinc strips to the cement areas between the bricks at approximately 1 foot increments using a powder actuated nail tool and 2 inch cut masonry nails.
Overhanging tree branches help create the perfect environment for moss to grow.
The best way to prevent moss from growing on your roof is to minimize its ideal growing environment.
As rain crosses the zinc it dissolves a little of it and helps keep the moss away.
Keep your gutters clean and remove fallen branches and debris.
Consider trimming tree branches to expose your roof to more direct sunlight.
Moss prefers to grow in the shade so exposing more of your roof to sunlight will help deter it.
That water is sometimes leaked in between shingles and through the roof.