The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma.
Moss growing on shingles of roof.
Step 2 eliminating moss before you can begin the ongoing prevention of moss from your roof you will first need to get rid of the moss that s already there.
Moss prefers to grow in the shade so exposing more of your roof to sunlight will help deter it.
Prune off or thin out overhanging tree or shrub branches that are growing over or next to the roof to increase the.
Moss keeps the roof wet.
How to kill moss growth on roof shingles 1.
Where there s moss there is also algae as they thrive on the same wet and shady.
No matter how well built a roof is moss is naturally attracted to the fissures between the tiles and shingles that cap a home and give it shelter from the elements.
The seams between the shingles and the shingles edges also develop moss because they tend to be especially shaded.
If you have moss on your roof it s likely because your roof is shaded by trees or other structures allowing moisture to linger and moss to grow.
Remove sources of shade.
Moss is a non vascular plant that absorbs water through its leaves instead of roots.
Apply a storebought or diy cleaning solution to remove the moss.
Moss and lichens are more than a cosmetic issue on many kinds of roofing materials asphalt shingles roll roofing wood shingle roofs wood shake roofs.
Here are a few ways to prevent moss growth on your roof.
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.
Once under the shingles the moisture can reach the underlying structure.
It helps keep your roof wet by storing moisture and preventing proper drainage.
Moss on a roof begins with a thin dusting of green that you may notice only from low angles.
Hose off and brush all moss loose from your roof shingles.
How to get rid of algae on the roof.
Moss isn t just attracted to moisture.
This moisture increases the weight of the roof which increases the risk of collapse decay leaks and water damage.
Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad.
In fact moss can cause lasting damage to a roof over the course of several years as it grows between the standard composition shingles.
Carefully place a ladder near the area of moss.
Moss thrives in cool damp environments.
It thrives in the shady north side of a home or where trees provide cooler temperatures away from direct sunlight.
This thin layer on the top of the shingles expands and becomes wide thick and mat like.
Hose off and brush all moss loose from your roof shingles.
