Algae On Siding

Chlorine can also damage foliage and stain clothing.

Algae on siding.

Any building wall that stays damp and shaded may be at higher risk for hidden insect or rot damage. 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. Brown stains on wood siding can signal that moisture is forming underneath the wood. However vinyl siding that is left damp can result in the growth of unsightly algae.

The stains can be different colors which can often tell you what is causing the growth. The algae may appear brown or green in color and remain damp diminishing the appearance of your home and spreading out over time. Green stains on siding are usually the result of mold mildew algae or moss. Algae on vinyl siding occurs because organic materials such as dust dirt pollen bird droppings and spider webs accumulate on the siding and algae uses it as a food source.

Algae is found on siding that is shaded and stays damp. 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. Bleach is commonly used to clean dirty siding and is especially effective at remove mold mildew and algae from the surface. While algae stains on exterior walls are principally a cosmetic concern and can be cleaned using scrubbing mild soaps or more aggressive tsp substitute cleaners or detergents there may remain a hidden problem.

How to remove algae from siding 1. Fortunately algae on vinyl siding will not affect the function of your siding or cause it decompose. To prevent stains you will need to clean your siding thoroughly to kill the algae and prevent it from returning. Stains are the most common sign that you have algae or mildew.

When house siding begins to turn green it diminishes the exterior appearance of the home. Mold mildew and algae are just a few of the causes of dirty vinyl siding. How do i know if my siding has algae and mildew on it. Unlike mold this type of growth is mainly cosmetic and can be removed using minimal force and a few basic materials.

Black stains are usually a sign of mildew algae mold or fungus. Algae growth is most common in areas that are shaded and due to the lack of sunlight remain damp for longer periods of time after it rains. Fortunately siding can be cleaned to remove not only green stains but other dirt and stains that may be taking over the homes exterior. Video of the day.

Will algae harm your siding. Let s discuss how to remove the algae from the siding. Oxygen bleach hydrogen peroxide.