Aluminum siding is very versatile and durable, yet it runs the risk of becoming infested with mold, which poses a very real health threat to you and your family. The part of your home that is most susceptible to mold growth on the aluminum siding is the side that does not get a lot of sunlight. When the siding is exposed to moisture or humidity and lack of light, it is a breeding ground for mold and mildew. The most important thing you can do as a homeowner is taking the appropriate measures to remove the mold as soon as possible to keep its detrimental effects to a minimum.
The first step to removing mold from your aluminum siding is to remove any debris or mold that is easily removed. Before you can do this, however, you should cover any plants, trees or flowers as well as ensure that all windows are closed. Using tarps, you should cover any furniture, light fixtures or other fixed objects that cannot be removed in order to clean. Starting with the garden hose, rinse down your house with mild pressure so as not to damage the siding. Your goal is to rinse as much mold off of the home as you can.
If your garden hose is unable to remove all of the mold, you can use a pressure washer to remove the rest. It is important to act with care, however, because pressure washers can do damage to your siding. Use the pressure washer in small sessions in order to constantly check the siding to ensure that you are not damaging it.
Once the home is rid of any visible mold, you will need to wash it down with a mixture of one part bleach to four parts water to kill the germs. You should use this cleaner liberally on your home with a soft sponge, scrubbing with enough pressure to clean the siding without damaging it. After you have washed the entire siding, rinse it down with the hose, taking the time to ensure that you rinsed all bleach areas.
Once you have cleaned the entire home, take the time to clean up all of the mold off of the ground that you have accumulated and throw it out immediately. Take a look around your property and trim back any trees or bushes that could be contributing to the shade on your home. Keep a close eye on your home and if the mold returns, you might have to purchase a mold-cleaning product from your local hardware store to kill your mold problem once and for all.