Identifying removing preventing algae fungus lichens moss on roof shingles.
Green mossy things on my roof.
Roof moss and lichen are not only unsightly but can damage the roof over time.
A more common type of growth on roofs is of course moss.
Asphalt roof shingle defects.
Here we discuss the causes of algae moss lichens or fungal growth on roof shingles the effects of these conditions and how to cure or prevent them.
If you notice green white or gray spots on your roof moss and lichen are likely the culprits.
This thin layer on the top of the shingles expands and becomes wide thick and mat like.
Photos and text guide diagnosis of asphalt roof failures how to identify and explain roof shingle failures obtain claims.
The cost depends on the size of your roof the amount of moss and the labor rates in your area.
Use a solution of bleach vinegar or dish soap for this.
As a rule of thumb professionally removing moss will cost about 5 of what it would take to replace your roof altogether.
These are probably not good things for your composition shingles.
Moss on a roof begins with a thin dusting of green that you may notice only from low angles.
Moss growing on a roof lifts the shingles and allows water to seep underneath and rot the roof deck.
When the moss is dead scrub it off then install zinc flashing to prevent more moss growth.
The third most common type of growth on a roof is algae.