Each of them can damage your roof in various ways.
Moss on roof damage.
Moss alone cannot damage the tiles.
However the greatest benefit of moss removal is on the gutters.
When roof moss gets thick enough that it crowds out the shingles and creates decay there is no turning back.
Once moss is removed there are less blockages and your gutters work more efficiently.
The cost depends on the size of your roof the amount of moss and the labor rates in your area.
Mostly your gutters require less maintenance.
Apply a storebought or diy cleaning solution to remove the moss.
While it does give a house a fairy tale hobbit like look moss contributes nothing else to a roof.
But while most people simply see growth on their roof and assume it s all the same the truth is that there are subtle differences between them.
Furthermore moss likes to grow on cement and can agitate the bond between ridge apex tiles and your roof.
At that point the roof must be replaced.
Moss is a bryophyte that develops from water based plants.
In fact if moss is left unchecked it can lead to serious damage to your home.
Moss algae and lichens are all different types of growth that can be found on your roof.