Remove Moss On Roof With Bleach

Algae will disappear and wash away with subsequent rains the association advises.

Remove moss on roof with bleach.

You will notice the moss turning a yellow color. 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. Once the moss is soaked it should begin working in as little as four hours. Your shingles are made of a fiberglass mat that is covered with protective oils tar and asphalt.

1 to 3 cups chlorine bleach 2 gallons of water. Chlorine bleach will kill roof moss but when you rinse if off the roof it may kill the plants growing alongside your house too. It is this very oil tar and asphalt which protect your shingles from the elements. Wind sunlight water etc.

Using bleach is recommended by most shingle roof manufactures and the arma asphalt roofing manufactures association. If your moss problem is extensive and you plan to use a large quantity of chlorine bleach bear in mind that it will accelerate the corrosion of your metal gutters and downspouts. Moss may look quaint atop your house but it can greatly shorten a roof s lifespan. 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.