These are probably not good things for your composition shingles.
Is green fuzzy moss bad for roof shingle.
Roof treatments to prevent or remove lichens moss include use of metal flashing strips algae resistant shingles or chemical treatments.
Instead contact an experienced home roofing expert for a free roofing evaluation.
It helps keep your roof wet by storing moisture and preventing proper drainage.
The third most common type of growth on a roof is algae.
Just brushing or raking off moss won t prevent future moss growth and if roof cleaning is not done with care you risk damaging the shingles and reducing the life of the roof.
This is what causes shingles to come loose or fall off as moss grows.
If the moss has caused water damage your roof may be too unsafe to walk on.
The constant moisture can result in mold and bacteria growth.
For its size and mass it can hold a lot of moisture.
This causes the roof to start degrading.
In some cases moss can cause serious damage.
Moss is darker green much thicker holds more water and also grips into the surface of the shingles.
If you ignore it overtime moss will grow beneath your shingles and lead to more severe damage.
Be on the lookout for green fuzzy clumps appearing on your shingles or growing up between the shingles.
This lack of drainage not only helps the moss grow and thrive but also may damage your roof because it increases the risk of water getting under the shingles.
If your roof has been moss covered for a long period of time don t attempt to remove it.
A more common type of growth on roofs is of course moss.
If you see shingles that look like they re expanding or starting to peel off that s another sign of possible moss growth too.
Moss isn t just attracted to moisture.
Moss growth will also interfere with proper drainage of water off the roof as water needs to trickle through or around the moss instead of running straight down to the gutters.
Moss thrives in damp moist areas including roofs that are north facing or shaded by trees.
What are signs of moss damage on my roof.
When it rains moss will soak up water and retain it creating consistently wet conditions on your roof.
Why is moss so bad for your roof.
When it gets wet it expands.
The resulting constant exposure to water can degrade shingles.
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.
