A flat roof of any kind of material can become a host to moss.
Moss on flat garage roof.
Moss is a plant without roots.
Another option for removing moss without damaging the roof shingles is to use zinc or copper strips these are long strips of metal that are installed below the ridges of roofs and are at their most effective when installed on a new roof before moss and algae have had the opportunity to grow because it makes the roof an inhabitable area but they can also be retro.
You will need to treat the roof to stop the moss from growing back.
As a rule of thumb professionally removing moss will cost about 5 of what it would take to replace your roof altogether.
Step 1 understanding moss.
More importantly as many types of roof coating start to age they will slowly form small bumps and impressions.
Its recommended anyone cleaning moss off a roof should do it on a cloudy day.
Both tasks work hand in hand to ensure the longest possible lifespan for your roof.
Zinc copper strips.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
This means that it needs flowing water in order to reproduce and survive and provides a great indication as to why you won t find moss on an area of a roof that receives a large amount of sun.
After you have killed the moss on your roof you must remove the dead moss manually or it will act like a sponge and soak up water further promoting decay.
Moisture promotes wood rot and concrete decay.
The removal of moss from a flat roof is very important as moss will cause damage to many types of roof coating if allowed to grow as well as rolling into gutters which can cause blockages.
Hose off and brush all moss loose from your roof shingles.
If you want to clean moss off a roof yourself you will have to plan how you are going to kill the moss and remove it effectively.
While it does not directly damage the building unlike termites for example it can shorten the life of wood metal asphalt concrete or clay roofs simply by encouraging water to stick around in its shallow root system.