The presence of algae 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 algae is probably low even less than that caused by lichens.
Is moss on your roof a problem.
This means that if moss is thriving on your roof then your roof is moist and subsequently vulnerable to rot and other issues that lessen the structural integrity of the roof.
Most roofs will experience moss or lichen growth and small patches of growth are usually not a problem.
If the moss has caused water damage your roof may be too unsafe to walk on.
There s nothing more troublesome than having a rooftop infested with mold.
Moss is not a huge problem unless you ignore it.
If left untreated moss can decay shift or disintegrate your roof over the course of time.
Moss causes mold growth.
Moss on your roof is harmful.
This simple plant doesn t produce any flowers and it grows in a blanket.
Moss is a simple plant organism that can grow on trees concrete and even roof shingles.
Moss thrives in damp moist areas including roofs that are north facing or shaded by trees.
Avoid any aggressive cleaning methods that might damage the roof surface.
Several potential problems may occur if your roofer simply adds a new roof over your existing moss covered roof.
If you find moss on your roof don t panic.
If the moss growth is allowed to develop further it can become a problem for the roof for a number of reasons.
The short answer is yes.
If your roof has been moss covered for a long period of time don t attempt to remove it.
Don t risk your safety.
In some cases moss can cause serious damage.
Stop a moss problem from returning by installing strips of zinc or copper coated sheet metal just below the top ridge on both sides of the roof.
A lot of people wonder if moss growing on the roof of their home is a problem.
If moss growth is severe it may have compromised the quality of your existing decking and underlayment.
If you have moss on your home s roof you should have it taken care of.
These potential problems include.
Copper is more toxic to moss and algae but zinc is.
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.
Instead contact an experienced home roofing expert for a free roofing evaluation.
If your roof or any section thereof receives limited sunlight and periodic exposure to water or damp conditions it can become an ideal breeding ground for moss.
Moss thrives in a damp environment.
Moss has the ability to damage your roof s integrity greatly.