The high powered water jets can damage shingles and remove the shingle granules that protect the roof.
Will moss damage my roof shingles.
This causes the roof to start degrading.
To dry out and become brittle.
Moss thrives in damp moist areas including roofs that are north facing or shaded by trees.
Moss growing on a roof may or may not be considered attractive or quaint but there is no doubt that extensive moss on a roof can seriously damage the roof by growing under and raising or loosening.
Moss damages your shingles in three significant ways.
Moss isn t just attracted to moisture.
A thick growth of moss works like a sponge keeping the roofing damp for long periods and it can lift edges of shingles making them vulnerable to blowing off in a windstorm.
Apply a storebought or diy cleaning solution to remove the moss.
First moss will strip away the protective oils on your shingles making them susceptible to erosion and sun damage.
You will also have to replace your roof much faster.
First as detu indicated it will trap moisture against the shingles causing them to lose granules sooner.
If your roof has moss or algae then you will have a hotter attic and higher bills.
Without any protection your shingles will warp and crack in the sun significantly shortening their lifespan.
The moss will absorb the damp environment s moisture and establish roots on the roof.
Furthermore some manufacturers use preservatives which moss loves to feast on.
Yes moss on a roof is damaging.
It helps keep your roof wet by storing moisture and preventing proper drainage.
Moss will commonly thrive in any type of environment that is shaded and damp.
If your moss problem.
Your roof shingles tiles and slates.
Second moss absorbs water.
If the roof shingles are fragile brittle cracking curled the risk of serious damage to the roof during moss removal is much more likely.
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.
It does two things to a composition asphalt shingle.
This exposes the substrate to uv radiation from sunlight which causes the shingle substrate.
The roots then can lift up the shingles on the roof.