Diluted in water and applied often with a stiff scrub brush it can.
Cleaning aluminum siding oxidation from brick.
Remove siding oxidation from brick removal of aluminum oxidation form brick how to clean aluminum siding oxidation off brick.
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When fixing a loose brick or making repairs near a brick surface wet cement or mortar might spill over onto the brick.
It wasn t so long ago that trisodium phosphate tsp was a go to choice for tough cleaning jobs especially on exteriors.
Hope it helps someone else because there really isn t much out there on this.
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Once it sets it can be very difficult to remove without damaging the brick.
You may need to make several attempts to clean the brick before the cement is completely removed.
Sometimes though stains develop that are hard to remove.
The white chalky film that sits on your brick right next to the aluminum siding is oxidation.
This oxidation is often transferred to the brick that surrounds the siding.
Aluminum siding is a good kind of siding to have.
It s important that the cleaner doesn t dry on the aluminum siding so only spray it on the part you re currently working on.
Remove this oxidation with the proper chemicals and some hard work and your brick will look as good as new.
Aluminum siding when exposed to air will oxidize and form a white powder like substance on the surface of the siding.
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Break your work up into four foot wide sections.
It resists damage from water and weather lasts a long time and looks great if you clean it regularly.
Here is a quick how to video for removing oxidation from brick on an old house.