Several factors might explain why that didn t happen.
How get mold out of cedar siding.
Tips for restoring blackened cedar shake siding.
The oxygen bleach comes as a granular powder that mixes with water.
New siding for an old cape cod their recommendation for back mold removal involves several steps.
Avoid aiming your sprinkler system directly at your house because moisture can increase your chance of mold and mildew growth.
Get rid of that grunge by cleaning your cedar siding with an.
It is non toxic to trees and vegetation and will not remove natural color from the siding.
Water any grass.
First is to remove the mold with an oxygen bleach product such as oxiclean as opposed to.
Commercial cleaners are also available.
The side of the house with the least sun exposure can be the worst spot with the cedar developing mildew or mold that looks black.
Chlorine can also damage foliage and stain clothing.
If washing with a mild detergent solution does not work applying a mild oxalic acid solution has been proven to be effective in removing water tannin or iron stains.
It appears to make mildew vanish but on porous surfaces such as wood or vinyl siding chlorine evaporates too quickly to get to the fungi s roots guaranteeing regrowth.
Dry the siding first if you notice signs of mold growth.
Prune all plants and bushes away from your siding so there is ample air circulation in between them and the surface of the home.
Whatever the type of siding algae mold and mildew are most likely to form on the north side of a house because it stays shaded and damp.
Surface dirt should be removed from cedar shake siding before attempting to remove black spots from the mold.
Removing the the wood mold with oxygen bleach.
The safe and effective way to clean the wood is oxygen bleach.
You can dry wood siding using a dehumidifier or a space.
Brush the surface to remove dirt and debris with a long handled scrub brush or broom.
If the stain remains prime the area with an alkyd primer and top coat with a latex coating.
While you can use household bleach to kill mold and algae it tends to make the cedar shingle s surface fuzzy because of the excessive pulping reaction when using it.
Less volatile than chlorine it removes mildew on and below the surface as well as algae dirt and oxidized paint but won t harm plants or clothing.