A simple mixture of bleach and water will kill the moss causing it to dry up release from your roof and blow off in the wind.
Moss on north side of roof.
Moss b ware is sprinkled along the roof ridge where subsequent rainfall distributes the chemical zinc sulfate monohydrate over the roof surface.
This is why you will typically see moss growing on the north side of trees fence posts and yes roofs.
Install a metal strip.
The company recommends that the powder should be applied only when the wind speed is less than 10 mph to avoid spreading corrosive dust.
North facing roof areas that receive little sunlight are prone to moss.
The sun dries out that side of the tree and doesn t give moss the environment it needs to grow.
Within these areas though moss does not grow in equal quantities everywhere.
A copper zinc or a galvanized metal strip installed on the ridge of the roof can prevent the growth of moss algae and lichen.
Preventing moss from growing on your house siding can keep your home looking beautiful and protect your family from potential health hazards that moss can cause.
Moss thrives in damp moist areas including roofs that are north facing or shaded by trees.
Over time it can cause roofing to degrade.
But no matter where you see moss growing on your roof you should address it as quickly as you can to avoid damages.
The dangers of moss growth.
Moss thrives in a damp shady environment.
Moss develops in perennially shady areas and in places that tend to be cool and damp.
Moss grows in areas that get little to no sunlight but a decent amount of moisture buildup.
However on the north side of that same tree its darker cooler and moist the perfect conditions for moss.
Moss grows in dark or shady moist areas.
If you ignore it overtime moss will grow beneath your shingles and lead to more severe damage.
Moss which tends to appear on areas of roofs that are shaded by trees and on north facing slopes is sometimes killed and re invasions prevented by simply correcting the shady humid conditions.
The strip will oxidize over time and wash down the roof plane when it rains making the roof plane much less habitable for moss algae and lichen.