Hose off and brush all moss loose from your roof shingles.
Green moss on my roof.
The third most common type of growth on a roof is algae.
It doesn t have the thick growth like moss and lichen and it looks like stains on a roof usually in streaks of black or sometimes green.
This wears the roof s surface by increasing frost damage such as cracking to the mineral granule coating on the shingles.
Moss is usually more of a cosmetic issue on many kinds of roofing materials but it can cause damage over time especially in colder climates by holding moisture against the roof surface.
Moss on a roof begins with a thin dusting of green that you may notice only from low angles.
As we said about green algae on roofs the presence of these black fungal or algal stains on the roof is an indicator that this roof area is in a shaded spot where you may want to be alert for development of moss or other roof problems but the level of damage from the black fungus or algae is probably low even less than that caused by lichens and certainly less than that caused by moss.
Moss doesn t always mean you re destined for a whole new roof nor does it mean your home has water or moisture damage.
Wear rubber gloves to.
A north facing roof usually has little sunlight which enables moss to buildup on the roof.
If sections of your roof are under heavy tree cover these are prime spots for moss to thrive.
Create a 50 50 mixture of chlorine bleach and water and spray it generously on the moss.
If your moss problem requires more than.
Wet the moss by spraying with your hose.
This thin layer on the top of the shingles expands and becomes wide thick and mat like.
Carefully place a ladder near the area of moss.
Hose off and brush all moss loose from your roof shingles.
Moss grows in areas untouched by sun so it can develop at a speedy pace on tree shaded and north facing roofs.
Moss can grow quite quickly and it will grow in between roof tiles filling in the voids and lifting up roof tiles and slates.
The seams between the shingles and the shingles edges also develop moss because they tend to be especially shaded.
Moss tends to form in areas where it is shielded from the sun.
Spreading moss can quickly upholster to roof surfaces filling in voids between shingles and tiles and reaching under and lifting up roofing materials.
If you notice moss or algae on your roof don t panic.
Moss is darker green much thicker holds more water and also grips into the surface of the shingles.
How to remove moss from your roof step 1.