Most techniques that we have come across to remove moss are often achieved by violent means such as power washing which may cause damage to the roof especially when combined with unnecessary foot traffic often leading to cracked or broken roof tiles.
Moss on roof tiles damage.
Moss absorbs and retains water.
Without any protection your shingles will warp and crack in the sun significantly shortening their lifespan.
If you allow large patches of moss to grow on your roof these patches hold water against the surface of the roof which can cause the roofing materials to rot.
In addition the water trapped by the moss pools in gaps between your roof s tiles and as that water freezes and thaws it can pull the tiles apart causing even more damage.
Cleaning moss off roof tiles is generally best done as soon as possible before this soil has a chance to gather.
Apply a storebought or diy cleaning solution to remove the moss.
Furthermore moss likes to grow on cement and can agitate the bond between ridge apex tiles and your roof.
Lichen isn t a plant.
If you allow large patches of moss to grow on your roof these patches hold water against the surface of the roof which can cause the roofing materials to rot.
In fact it s not even a single organism.
Moss alone cannot damage the tiles.
Moss can grow quite quickly and it will grow in between roof tiles filling in the voids and lifting up roof tiles and slates.
Moss on roof tiles can cause multiple problems such as wood rotting and the obstruction of drainage points.
In addition the water trapped by the moss pools in gaps between your roof s tiles and as that water freezes and thaws it can pull the tiles apart causing even more damage.
Because unwanted growth can damage your roof we always take the time to give your roof.
Ultimately moss growth on a roof can result in costly repairs and can also reduce the lifespan of your roof.
A north facing roof usually has little sunlight which enables moss to buildup on the roof.
If your moss problem.
The high powered water jets can damage shingles and remove the shingle granules that protect the roof.
It s actually a combination of algae and fungi living together.
Moss damages your shingles in three significant ways.
If you remove moss from the roof then you will reduce the possibility of tiles suffering from winter cracks.
First moss will strip away the protective oils on your shingles making them susceptible to erosion and sun damage.