Be on the lookout for green fuzzy clumps appearing on your shingles or growing up between the shingles.
Is green fuzzy moss bad for roof shingle.
A more common type of growth on roofs is of course moss.
If the moss has caused water damage your roof may be too unsafe to walk on.
What are signs of moss damage on my roof.
Instead contact an experienced home roofing expert for a free roofing evaluation.
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.
If you see shingles that look like they re expanding or starting to peel off that s another sign of possible moss growth too.
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.
If your roof has been moss covered for a long period of time don t attempt to remove it.
The roots then can lift up the shingles on the roof.
When it rains moss will soak up water and retain it creating consistently wet conditions on your roof.
The third most common type of growth on a roof is algae.
The moss will absorb the damp environment s moisture and establish roots on the roof.
Roof treatments to prevent or remove lichens moss include use of metal flashing strips algae resistant shingles or chemical treatments.
The constant moisture can result in mold and bacteria growth.
If you ignore it overtime moss will grow beneath your shingles and lead to more severe damage.
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.
Moss isn t just attracted to moisture.
Why is moss so bad for your roof.
Moss thrives in damp moist areas including roofs that are north facing or shaded by trees.
The resulting constant exposure to water can degrade shingles.
Moss is like a sponge.
It helps keep your roof wet by storing moisture and preventing proper drainage.
This causes the roof to start degrading.
This is what causes shingles to come loose or fall off as moss grows.
These are probably not good things for your composition shingles.
When it gets wet it expands.
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.