Remove Green Algae From Roof

Wash off all dirt and fungus residue.

Remove green algae from roof. Algae grow most often on wood and asphalt shingles or concrete tiles especially if they do not get a lot of sunlight. 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. It is wise to avoid chlorine bleach as a roof cleaner. Spread it along the ridge of the roof then let the rain do it s job of dissolving it.

Wet forget outdoor cleaner works with the wind and the rain to wash away green and black algae stains over time. Take a scrub brush lightly scrub the shingles. It penetrates black algae s defenses and removes the green algae that can grow on the shaded areas of your roof. The difference i provide vs what an average homeowner can achieve is due to 1.

It does its best to kill it and take away the stains. Spray it on the roof and you need to keep the roof wet with the solution for about ten or fifteen minutes. This is the only safe way to effectively remove algae and moss from roof shingles. We use chemical solutions that are approved as safe from shingle manufacturers and a low pressure soft wash technique that doesn t cause damage.

The cleaner can cover 80 100 square feet area quickly with a single bottle. Using a plastic pump type garden sprayer thoroughly soak the affected allow it to sit for at least 5 minutes. One of the most effective moss killers is zinc sulfate zinc sulfate most often comes in powder form. The most common class of roof algae is gloeocapsa magma a bacterium that eats water and expels oxygen.

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. 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. The oxygen bleach starts to go ahead and attack the roof algae. Both of these algae can be cleaned from the roof however the green algae is far easier to remove than the black algae.

Roof algae generally have a black green hue. The soft wash technique is performed by skilled technicians on industrial grade pressure washers. There is a time when every roof gets moss mildew or agley due to sun rain and snow. Should i avoid chlorine bleach.

If not prevented it will take over the maximum portion of your house. You may think you have roof algae when really you have moss mildew or mold. Our method dislodges zero shingle granules. Chlorine bleach can remove the natural color from wood roofing shakes.

Green algae on swing set before using wet forget.