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Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Holey utility zinc sink!

Q. I have an OLD zinc utility sink with a corroded hole. The bottom of the sink is also rusted. Can repairs be made? I would rather not replace it with a polypropylene tub but keep it for the history. The building is 100 years old - the sink must be close to that!

zinc utility sink with corroded hole 1

Thank you!

Sharon Pomponio
property manager - Washington, DC USA
October 2, 2012

Cold Galvanizing Spray

on eBay or

Amazon

(affil links)

Rust Converter Spray

on eBay or

Amazon

(affil links)

A. Hi Sharon.

Epoxy is underrated; I used JB Weld ⇦ this on eBay or Amazon [affil links] on a burst outdoor faucet and it lasted for years. If it's a pinhole, I'd fill it with the epoxy. If it's larger, I'd cut a small piece of galvanized sheet metal and use epoxy to glue it over the hole.

After that, apply rust converter ⇦ this on eBay or Amazon [affil links] and then zinc rich paint (sometimes called cold galvanizing paint to the inside. Good luck.

Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
October 2, 2012

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