
Cast iron sinks are popular because they’re durable, resist hard water spots and can last a lifetime. But for all their strengths, they can show wear and tear over time.
That’s the situation that Bruce in Iowa faces. He and his wife are in the process of buying a new home and they have some old cast-iron sinks.
They’d like to include these heirlooms in the new house, but they’re not sure if refinishing them is a do-it-yourself friendly job.
We love the idea of saving an old sink. But placing an old sink in a new house isn’t much of an upgrade, despite the sentimental value. So, Bruce is right to consider refinishing them.
First, check with a professional and ask what they would charge for the job. (It could cost between $300 and $400.) Then consider the cost of DIY kits and look at each kit’s reviews before choosing one.
Some DIY refinishing kits are better than others but all of them require a lot of work, especially when you’re prepping the surface for the refinishing coat.
Rust-Oleum makes a Tub and Tile Refinishing kit with a two-part epoxy paint that you roll on. It’s a simple enough DIY job that it’s worth trying before calling a professional down the line.
Use an angle grinder on the bottom side of the sink, and a flap sander on the top side to remove any rust.
Use J-B Weld WaterWeld epoxy to make the surface smooth, then apply the Tub and Tile Refinishing kit.
Don’t do this in an enclosed space. The refinishing kit has noxious fumes, so the best thing is to take the sink, put it on sawhorses and do the work outside.
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Question of the Week
Q: I have a pressure-reducing valve and I have lowered it down, but the water pressure is at 90 psi. Once I turn on a faucet, it drops to 20 psi. Would adding a thermal expansion tank fix this problem?
A: A thermal expansion tank will fix thermal expansion problems, but a drop of 70 psi is a significant drop that might require calling in a specialist.