Just one dish dropped into your ceramic kitchen sink is all it takes to cause an unsightly ding. Fortunately, most hardware stores carry sink repair kits that let you fix the damage rather than replace the entire sink. The repair process is quite easy, but it is delicate work that requires a bit of patience and a steady hand. It also requires at least 24 hours for the repair to set, so plan your project accordingly.
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Visit the Hardware Store
If you're dealing with a very small scratch or ding, you might get away with purchasing a little porcelain touch-up paint. This paint comes in a wide variety of colors so you can match the finish on your sink. Some paint manufacturers work with sink manufacturers to match their colors exactly, so find out your sink's brand and official color if you can.
If the chip in your sink runs deep, you'll need to repair it before you apply the touch-up paint. Look for a two-part epoxy ceramic or porcelain repair kit. Epoxy will go onto your sink while it's soft so you can easily work with it. It will then harden so your repair holds well over time.
Prepare the Surface
When you're ready to fix the sink, begin by thoroughly scrubbing the chip and the area around it. Your epoxy will stick much better to a clean surface. There's no need to get fancy here. Any general-purpose household cleaner will do the job. Dry the sink when you're done.
After you've cleaned the chip, sand it with some 400- or 600-grit sandpaper. Roughing up the surface gives the epoxy some texture to grab onto for a good hold. Tread carefully when sanding, however. You want to sand the chip without scratching the ceramic next to it.
The Cracked Sink Repair
Now that you've finished the prep work, you can move on to actually repairing the sink. Mix the epoxy in your repair kit according to the manufacturer's instructions. When it's ready, apply it to the chip in your sink carefully. You want the epoxy to go into the chip but not onto the area around it. This may mean using a toothpick or tiny brush to apply it.
When fixing deep chips, you might need to apply the epoxy in thin layers rather than all at once. If so, allow each coat of epoxy to dry for 24 hours before applying the next one.
Once you're done, run a credit card or other straight edge across the chip to make sure that the epoxy is level with the top of the chip. Then take a look at your work. If you're not happy with it, simply wipe away the wet epoxy and start again. Note that epoxy doesn't expand or contract as it dries, so your finished product will look exactly as it does now.
Paint the Repair
Allow the epoxy on your sink to dry for 24 hours. If the dried epoxy is the same color as your sink, your repair is finished. If it's not, use your porcelain touch-up paint to cover the spot and help it blend in with the rest of the sink's finish.
Now that the repair is done and painted, True Value recommends leaving the sink alone for 24 hours so it can dry and set fully. You can use your sink after that, but avoid scrubbing the repaired area for at least seven days.
Home is where the heart is, and Michelle frequently pens articles about ways to keep yours looking great and feeling cozy. Whether you want help organizing your closet, picking a paint color or finishing drywall, Michelle has you covered. If she's not puttering in the house, you'll find her in the garden playing in the dirt. Her garden articles provide tips and insight that anyone can use to turn a brown thumb green. You'll find her work on Modern Mom, The Nest and eHow as well as sprinkled throughout your other online home decor and improvement favorites.