I have late 40's house with the original sinks in both bathrooms. These
are really heavy-duty metal sinks colored white (covered in whatever
they cover sinks with). Overall they are in great shape and even the
original fixtures are in good shape. These thing sare very well built
and I would prefer not having to replace them as they are attached to
the wall and the tiling is done around them.
The only problem I have is that where the overflow drain holes are, rust
is coming out into the visible part of the sink. My question is, is
there anything I can do to address this? I was thinking of using some
sort of grinder to go down to bare metal right around where the rust is
and then using some sort of enamel/sink repair product to fix it.
Would this work or do I need to tear the sinks out and re-tile the bathroom?
Thanks in advance for any advice.
Sinks like yours are cast iron covered with porcelain. Basically, the
iron is heated hot enough to melt glass (porcelain) and then dusted
with porcelain powder.
I don't know if porcelain is applied to the interior cavity of the
sinks or not but it certainly is around the overflow inlet holes. Is
it still there? Or do you mean that rust exits the hole area whan the
sink is full?
As far as fixing, I doubt that it can be done. Yes, the edges of the
holes could be done to some degree but you couldn't reach into the
interior cavity and rust there would inevitably advance again. If the
rust just comes out the holes when the sink is filled to overflowing
the simplest thing is just to not fill it that full.
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