Remove Green Algae From Roof

That way whenever it rains some of the metal molecules will wash down the roof and kill any algae trying to regain a foothold on your shingles.

Remove green algae from roof.

The most common class of roof algae is gloeocapsa magma a bacterium that eats water and expels oxygen. Roof algae generally have a black green hue. You may think you have roof algae when really you have moss mildew or mold. The difference i provide vs what an average homeowner can achieve is due to 1.

To remove it you can try wet forget no scrub outdoor cleaner. It penetrates black algae s defenses and removes the green algae that can grow on the shaded areas of your roof. Both of these algae can be cleaned from the roof however the green algae is far easier to remove than the black algae. Ability to rinse the entire roof before the wash dries 3.

There is a time when every roof gets moss mildew or agley due to sun rain and snow. The soft wash technique is performed by skilled technicians on industrial grade pressure washers. It does its best to kill it and take away the stains. Spread it along the ridge of the roof then let the rain do it s job of dissolving it.

This is the only safe way to effectively remove algae and moss from roof shingles. It is wise to avoid chlorine bleach as a roof cleaner. The cleaner can cover 80 100 square feet area quickly with a single bottle. Algae grow most often on wood and asphalt shingles or concrete tiles especially if they do not get a lot of sunlight.

Spray it on the roof and you need to keep the roof wet with the solution for about ten or fifteen minutes. Wash off all dirt and fungus residue. The oxygen bleach starts to go ahead and attack the roof algae. To start cleaning apply it directly and generously to moss areas it s recommended to use three pounds of powder for every 600 square feet.

Once the wash kills the algae it needs to be well rinsed to remove it from your roof. If not prevented it will take over the maximum portion of your house. To keep the algae from coming back insert 6 inch wide strips of zinc or copper under the row of shingling closest to the roof peak leaving an inch or two of the lower edge exposed to the weather. Take a scrub brush lightly scrub the shingles.

Using a plastic pump type garden sprayer thoroughly soak the affected allow it to sit for at least 5 minutes. We use chemical solutions that are approved as safe from shingle manufacturers and a low pressure soft wash technique that doesn t cause damage. Our method dislodges zero shingle granules. Wet forget outdoor cleaner works with the wind and the rain to wash away green and black algae stains over time.

Green algae on swing set before using wet forget.