Follow the instructions on the label of your selected cleaner to remove the stains from your siding.
How to clean aluminum siding stains on brick.
Spray this mixture on remaining spots.
If the stains are stubborn put some isopropyl alcohol on a cloth and wipe the stains off with the cloth.
Mix one part bleach with one part water.
However don t use muriatic acid because it can stain or bleach many colors of brick and cause aluminum window frames to corrode.
We list the common sources of stains on brick chimneys walls walks and ceilings.
Next put on the proper safety attire including gloves glasses and a mask.
If mold or mildew is the culprit spraying with a bleach solution will remove it.
Scrub the stained area thoroughly.
Here is a quick how to video for removing oxidation from brick on an old house.
How to remove aluminum siding oxidation from brick step 1.
If the stain persists try wiping it off with some white vinegar on a cloth.
Hard water stains are generally composed of calcium carbonate and you ll need an acid based cleaner to get rid of them.
Hope it helps someone else because there really isn t much out there on this.
Use a medium pressure level and an angled spray nozzle.
It s not uncommon to have a mildew problem on aluminum siding depending on where you live.
This article describes the causes cures for various types of stains found on brick surfaces both outdoors and indoors.
Identify remove prevent brick staining.
You will want to focus on one side of the house at a time and spray from the top to the bottom.
Rinse the stained area with a hose to remove large pieces of dirt and debris.
First rinse the aluminum siding off.
Once the stains are gone rinse the area thoroughly to.
Break out the elbow grease.
The article distinguishes among common brick stain sources such as algae lichens moss soot fungal.