Once the moss is soaked it should begin working in as little as four hours.
Remove moss on roof with bleach.
You will notice the moss turning a yellow color.
The bleach will kill the algae or moss but rinsing won t necessarily leave the roof sparkling clean.
Remove moss in just 3 steps and keep it off for good.
Chlorine bleach will kill roof moss but when you rinse if off the roof it may kill the plants growing alongside your house too.
Moss may look quaint atop your house but it can greatly shorten a roof s lifespan.
Use the watering can to drench the moss with the bleach water solution.
Using bleach is recommended by most shingle roof manufactures and the arma asphalt roofing manufactures association.
Wind sunlight water etc.
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.
It is this very oil tar and asphalt which protect your shingles from the elements.
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.
Algae will disappear and wash away with subsequent rains the association advises.