With either method work down the roof to keep from lifting and breaking shingles.
How to remove moss from a roof with hyochlorite.
Point the hose towards the top of the roof and rinse off the moss killing solution along with the dead moss.
While a pressure washer can be used the powerful jet of water could damage asphalt shingles.
You can physically remove moss from your roof with a long handled scrub brush if you re careful not to overdo it.
Use the watering can to drench the moss with the bleach water solution.
Once the moss is soaked it should begin working in as little as four hours.
Take hold of the soft bristle brush and scrub away any remaining moss.
It also has the added benefit of killing off the spores which the moss releases in order to reproduce therefore removing the chances of moss multiplying and populating your roof.
Start at the top and work your way down.
Sodium hypochlorite also known as chlorine bleach is effective for keeping moss from growing back in an area for up to one year with annual re application.
The most effective roof moss killer is sodium percarbonate.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye.
It is safe for use on decks patios.
You will notice the moss turning a yellow color.
Rinse the roof again with the hose to remove any remaining loose moss sitting on the roof.
It s an easy to apply granule which when mixed with water produces oxygen.
Roof cleaning is the process of removing algae mold mildew lichen and moss from roofs.
Cleaning may be accomplished with a bleach or sodium percarbonate sodium hypochlorite pool chlorine and water to remove moss and algae.
Hose off and brush all moss loose from your roof shingles.