Green And Black Residue On Aluminum Siding

If you have green stains on your deck or siding it s probably due to either cholophyta algae green algae or a cyanobacterium related to gloeocapsa magma.

Green and black residue on aluminum siding.

Green stains on siding are usually the result of mold mildew algae or moss. Algae very often appears as a flat green coating or stain on building siding and even on sidewalks and concrete photo above. Two washes may be necessary to remove the chalk. If you are cleaning aluminum wheels or house siding use a damp cloth to wipe the aluminum or a hose to it with water.

Green or brown or black algae growth. The algae can cause black or gray streaks that seem to run down your roof. When house siding begins to turn green it diminishes the exterior appearance of the home. If you have green and black stains on your siding clean it easily with wet forget hose end.

Algae often causes black stains on roof surfaces and green stains on other building exterior surfaces such as concrete photo above left decks and building siding photo below. In our photo at above left shows a common condition that is found on many types of building siding. Oxidization can make the aluminum siding look ugly and it needs to be removed as quickly as possible. Thoroughly scrub the surface of the siding with a dual sided sponge or scrub brush.

The green color comes from chlorophyll which is the same substance that makes plants green. Begin the process of cleaning oxidized aluminum by rinsing the aluminum to remove surface dust or debris. Algae is found on siding that is shaded and stays damp. There are many different things that you can do to clean your aluminum siding and remove the back oxides.

These stains occur naturally over time. Fortunately siding can be cleaned to remove not only green stains but other dirt and stains that may be taking over the homes exterior. Aluminum siding cannot rust and it s a very durable material however there are numerous things that can cause it to oxidize. The jet tip nozzle allows you to reach surfaces up to 30 so now you don t need to use a ladder to reach your second story siding.

Hand scrubbing is very effective at removing chalk from aluminum siding. Algae stains usually green or brown sometimes black. It s hard to see shotgun fungus itself because it s only 2 millimeters wide. You can apply wet forget with your feet firmly planted on the ground.

Also known as artillery or cannonball fungus sphaerobolus it uses internal water pressure to forcefully fire its spores similar to seeds up to 20 feet away the fungus sets its sights on bright areas so that means it will aim for any pale surface that reflects light such as the siding on your house. Algae on building walls.