I'm replacing an old chimney cap on my chimney. However, over the
years it has leached rust down the chimney brick and streaked part of
the shingle roof. Is there a solvent I can buy to remove this stuff
without damaging the brick and shingles?
Someone at Big Box recommended I use TSP, but the label says nothing
about removing rust from a brick surface.
You need to use something like CLR brand cleaner which is for calcium, lime
and rust stains. I don't know if it will do anything bad to your brick or
mortar though. Read the package.
TSP is a good basic cleaner, but CLR attacks the rust chemically. Muratic
Acid may also clean it. Its what is used to clean the excess mortar of
brick after it is laid.
I just went to get the name in my closet but the bottle is not there..
This stuff is in a brown plastic bottle with a white cap and I
purchased it at walmart in the isle where the fabric dye and the
detergent is. It is use for taking rust stains off of clothing. I have
used it on bricks, concrete, tile ect. it WORKS. the name is something
like Mrs ???? something....sorry I cannot remember the name.
Is it Wink? We have that stuff and it comes in a little brown bottle.
I may give that a shot, but I was hoping for a less expensive option as
it would probably take a dozen bottles of that stuff for the area I
need to cover.
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