Use a solution of bleach vinegar or dish soap for this.
How to remove moss from shed roof.
Preventing moss from re growing on roofs.
Moss growing on a roof lifts the shingles and allows water to seep underneath and rot the roof deck.
Algae will disappear and wash away with subsequent rains the association advises.
If the water will not reach the peak of the roof from the ground you can spray while standing on a ladder.
The green moss growing on your roof walk and lawn is not actually harmful to those surfaces.
Experts recommend that you save roof moss removal for a cloudy day.
The bleach will kill the algae or moss but rinsing won t necessarily leave the roof sparkling clean.
Again many years of roof life are lost to power washing.
Moss can be removed physically with water and a stiff brush on a pole or a scrub brush chemically or a bit of both.
An alternative to manually removing the moss with a brush and trowel is to use chemicals.
Hose off and brush all moss loose from your roof shingles.
Living in a cool moist climate often means moss.
Even so you will always need to mount the roof later on in order to remove the dead moss.
To remove moss you first have to kill it.
Inevitably it will most likely reappear again at some point but if you can delay this then all the better.
How to kill moss with household ingredients.
Using a pressure washer to remove moss form a roof image courtesy of a1builders ws.
Liquid moss killers cover the roof more evenly than dry powders and they let you stay on the ground for the application.
This is oof cleaning products which should be left to absorb into the moss for at least 20 minutes will not evaporate as quickly as they would on sunny days.
In my experience kill the moss let it die and in a few weeks manually remove the dead moss with a soft cedar shingle it s not easy but it works.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
Once you have removed your roof moss you will want to ensure that it doesn t come back too quickly.