Algae will disappear and wash away with subsequent rains the association advises.
Remove moss on roof with bleach.
Using bleach is recommended by most shingle roof manufactures and the arma asphalt roofing manufactures association.
Once the moss is soaked it should begin working in as little as four hours.
You will notice the moss turning a yellow color.
Use the watering can to drench the moss with the bleach water solution.
The most effective method of cleaning algae and moss from a roof is with a 50 50 mix of laundry strength liquid chlorine bleach and water.
The reason you shouldn t use bleach to remove moss from your roof has to do with the composition of your shingles.
Start at the top and work your way down.
1 to 3 cups chlorine bleach 2 gallons of water.
Moss may look quaint atop your house but it can greatly shorten a roof s lifespan.
Chlorine bleach will kill roof moss but when you rinse if off the roof it may kill the plants growing alongside your house too.
Your shingles are made of a fiberglass mat that is covered with protective oils tar and asphalt.
Wind sunlight water etc.
Remove moss in just 3 steps and keep it off for good.