Copper awning runoff stains

rvagnoni

New Member
Anyone have any experience with cleaning copper staining from stucco? I have a client who has copper awnings that after oxidizing have bled run off stains on to the stucco facade. Also if you have any ideas on how to clean the actual copper awnings themselves to remove the oxidation.

Thanks
 

Tony Ward

New Member
I/ve gotten it off before with CLR or whatever the equivilent is in Home Depot or Lowes. It is Calcium, Lime, and Rust remover and can be diluted down somewhat and applied with a garden sprayer and rinsed off with low pressure.
 

rvagnoni

New Member
Copper runoff stains

Bill,

Thanks for the link to Dominion Restoration. I contacted them and was told that the product they had to remove such a stain was discontinued...Bummer!!! :(
 

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