How To Remove Algae From Cedar Siding

Water stains remove with a mild detergent and water.

How to remove algae from cedar siding. The safe and effective way to clean the wood is oxygen bleach. It s also safe for plants that may inadvertently get dripped upon during the cleaning process. Obtain a 1 1 5 gallon hand sprayer. Avoid spraying the water from the ground up as large amounts of water may seep behind the siding causing damage.

Do not power wash. Drench the siding where algae mold and or mildew is present and let solution sit for 20 minutes or so and rinse off. The roof is solid and doing well. But the painter wanted to also paint the siding or spray it i wasn t sure about that but i find nothing that i need to do to the roof except worry that the algae might do harm over time.

Choose a cleaning solution that is appropriate for the type of growth you have on your siding. And i called up the cedar association and they say you could do more harm than good and so i got mixed feelings. Spray down the siding with plain water from the garden hose. Set the nozzle on medium force and begin at the top spraying the water down.

Oxygen bleach removes algae mold and mildew from cedar restoring much of the wood s natural beauty. It is non toxic to trees and vegetation and will not remove natural color from the siding. Mix in the sprayer 25 solution of bleach with water. Stains on wood cleanse with mild detergent mixed with water.

The oxygen bleach comes as a granular powder that mixes with water.