Put on a pair of latex or rubber gloves.
How to remove aluminum siding stains from brick.
Mix one part bleach with one part water.
Saturate a rag with mineral spirits.
Mix strong detergent such as trisodium phosphate tsp with warm water in a plastic.
Instead several brick cleaners are available that because of special buffers work well without the staining problem.
I d say the first thing to do would be to eliminate the source of the problem either repaint replace or seal the siding.
Dec 29 2015 combining brick and siding on a home s exterior looks nice but can cause a few extra maintenance chores for the homeowner.
Scrub the stained area thoroughly.
Dip a sponge into the solution and apply it to the stain.
Clean the surface of the aluminum siding with a water sprayer.
Mix 1 3 of a cup of laundry soap and 6 gallons of water.
Here is a quick how to video for removing oxidation from brick on an old house.
Professional cleaning may be required to remove this staining.
Scrub at the stain turning and rewetting the rag frequently.
Your local brick dealer probably carries these products.
How to remove aluminum siding oxidation from brick step 1.
Hope it helps someone else because there really isn t much out there on this.
How to remove deck stain from aluminum siding hunker.
Rinse the stained area with a hose to remove large pieces of dirt and debris.
Mix baking soda and dish soap to form a paste.
The white chalky film that sits on your brick right next to the aluminum siding is oxidation.
Brick areas that are stained by chalk run down should be scrubbed with a stiff brush and detergent.
However don t use muriatic acid which is commonly suggested because it can stain or bleach many colors of brick and cause aluminum window frames to corrode.