Green Mold On Cedar Siding

The surfaces of finished western red cedar decks siding and trim boards exposed outdoors inevitably become dirty and may also be discolored by mildew algae and moss.

Green mold on cedar siding.

How mold gets under siding. The fungus reproduces by mold spores which are carried by air currents. These natural elements slowly erode any previous applied finishes and as a result all exterior cedar requires regular cleaning and. Mold can grow on nearly any surface where moisture is present including the underside of siding where moisture is present.

The green stuff on your siding is more than an eyesore. It is actually airborne algae that can cause long term damage to the surface. Green mold can cause health problems in people and animals so it should be taken care of as soon as possible with the proper cleaning process. 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.

The safe and effective way to clean the wood is oxygen bleach. Fortunately siding can be cleaned to remove not only green stains but other dirt and stains that may be taking over the homes exterior. 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. This will protect plants from any possible damage to the greenery from bleach runoff.

The algae may appear brown or green in color and remain damp diminishing the appearance of your home and spreading out over time. While it is not uncommon to see homes with an accumulation of green stuff it is important to take care of it in a timely fashion. When house siding begins to turn green it diminishes the exterior appearance of the home. Green mold is similar to green algae and is a common problem on the deck.

These stains occur naturally over time. Once mold has begun to grow it can be difficult to get rid of as disturbing it releases more spores into the air. As written by the western red cedar lumber association. The oxygen bleach comes as a granular powder that mixes with water.

Wearing your rubber gloves. It is non toxic to trees and vegetation and will not remove natural color from the siding. Water any grass plants flowers or other foliage surrounding your cedar siding. How to remove algae from siding 1.

It is a type of fungi that forms on wood after exposure to moisture and commonly happens in shade. Removing the the wood mold with oxygen bleach. Oxygen bleach hydrogen peroxide. Green stains on siding are usually the result of mold mildew algae or moss.