If you decide to use a bleach solution or other readymade roof moss treatment protect nearby plants with plastic sheeting.
Treat roof for moss.
You do not need to apply an expensive roof coating or sealant to prevent roof moss growth.
You will need to treat the roof to stop the moss from growing back.
Hose off and brush all moss loose from your roof shingles.
In the same way keep products meant to kill lawn moss on lawns but off your roof.
The differences among algae lichens and moss on roofs are described.
Try one of my suggested moss killer products listed further down this page.
Moss killer products to treat moss on concrete surfaces.
The seams between the shingles and the shingles edges also develop moss because they tend to be especially shaded.
We re here to help you figure out which method will best prevent moss from growing on your roof or treat it if you already have a mossy roof.
Moss on a roof begins with a thin dusting of green that you may notice only from low angles.
When leaves and other material collect on your roof a perfect bed is formed for moss and lichens to grow.
Treating a mossy roof can be more time consuming but is doable with the right tools.
You can remove moss and lichens from your roof by using vinegar as a environmentally friendly weedkiller.
Since the treatment for moss is similar to that for algae stains refer to our article on how to remove and prevent algae stains on asphalt shingle roofs for more details.
When treating roof moss it s important to use effective products designed especially for roofs.
Chemical solutions can adversely affect the environment as well as damage foundation plantings growing beneath roof overhangs.
Its recommended anyone cleaning moss off a roof should do it on a cloudy day.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
This thin layer on the top of the shingles expands and becomes wide thick and mat like.
At algae fungus lichens moss compared where we also show what moss looks like under the microscope.
Opt for the least toxic moss killer.
Moss itself is a plant while lichen conisist of a fungus and a photosyntheizing plant living together.
Treat the roof surface with a lichens or moss killing chemical such as the moss b ware product discussed above.
So what is an environmentally conscious pacific northwesterner to do.
Mosses don t function like regular plants so common weed killers and home remedies don t work plus they can harm roofs.