If you have green and black stains on your siding clean it easily with wet forget hose end.
Green and black residue on aluminum siding.
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.
Fortunately siding can be cleaned to remove not only green stains but other dirt and stains that may be taking over the homes exterior.
Algae is found on siding that is shaded and stays damp.
If you are cleaning an aluminum pot or pan rinse the pan under a strong jet of water.
Green or brown or black algae growth.
Aluminum siding cannot rust and it s a very durable material however there are numerous things that can cause it to oxidize.
The algae can cause black or gray streaks that seem to run down your roof.
Oxidization can make the aluminum siding look ugly and it needs to be removed as quickly as possible.
Algae stains usually green or brown sometimes black.
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.
Begin the process of cleaning oxidized aluminum by rinsing the aluminum to remove surface dust or debris.
Algae is often confused with mold.
Two washes may be necessary to remove the chalk.
There are many different things that you can do to clean your aluminum siding and remove the back oxides.
The green color comes from chlorophyll which is the same substance that makes plants green.
These stains occur naturally over time.
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.
In our photo at above left shows a common condition that is found on many types of building siding.
Hand scrubbing is very effective at removing chalk from aluminum siding.
Thoroughly scrub the surface of the siding with a dual sided sponge or scrub brush.
When house siding begins to turn green it diminishes the exterior appearance of the home.
Green stains on siding are usually the result of mold mildew algae or moss.
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.
If you are cleaning aluminum wheels or house siding use a damp cloth to wipe the aluminum or a hose to it with water.
Algae on building walls.
It s hard to see shotgun fungus itself because it s only 2 millimeters wide.