Do not power wash.
How to remove algae from cedar siding.
The oxygen bleach comes as a granular powder that mixes with water.
Mildew and algae on vinyl and wood use a solution made of oxygen bleach not chlorine bleach mixed with water.
Avoid spraying the water from the ground up as large amounts of water may seep behind the siding causing damage.
Mix in the sprayer 25 solution of bleach with water.
The safe and effective way to clean the wood is oxygen bleach.
Water stains remove with a mild detergent and water.
The roof is solid and doing well.
Stains on wood cleanse with mild detergent mixed with water.
Drench the siding where algae mold and or mildew is present and let solution sit for 20 minutes or so and rinse off.
And i called up the cedar association and they say you could do more harm than good and so i got mixed feelings.
Removing the the wood mold with oxygen bleach.
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.
It s also safe for plants that may inadvertently get dripped upon during the cleaning process.
It is non toxic to trees and vegetation and will not remove natural color from the siding.
Set the nozzle on medium force and begin at the top spraying the water down.
Obtain a 1 1 5 gallon hand sprayer.
Have not experience any damage from solution on bushes but.