How To Remove Black Stains From Aluminum Awning. Dampen a rag and add a squirt of mild dish soap. Most alloyed aluminum will require a nitric acid step to remove the smut residual alloying elements created by the caustic etch with rinsing. Rinse your awning clean with water and make sure there is no solution remaining. If there are small areas it may be easier to use a toothbrush. Without scrubbing too hard you can use a soft brush on vinyl.
In also contains a UV blocker to keep awnings looking better for longer. This will help remove the mold and mildew as well as kill the bacteria. Mix according to directions but it is approximately a cup of Jomax 2 cups of bleach to a gallon of water. Put on your rubber gloves and begin to remove the paper towels from the vinegar and lay them on the surface of the stains on your anodized aluminum product. Fabric may require a stiff brush to remove all stains.
Scrub the awning until all signs of mold or mildew have disappeared.
The combination of the wind and the rain rinses and scrubs your surfaces clean over time. Fabric may require a stiff brush to remove all stains. It removes black and green mildew immediately. Scrub the awning until all signs of mold or mildew have disappeared. Wet And Forget is as simple as spraying your outdoor surface and leaving it. Continue to do this until the mold and mildew is removed. After you have removed all of the mildew and mold from the awnings with a disinfectant you need to rinse the area clean with hot water. If there are small areas it may be easier to use a toothbrush.
