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How to Repair Water Damage Under Your Sink

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  1. How to Repair Water Damage Under Your Sink, How to Repair Water Damage Under Your Sink: step 1, image 1 of 3 How to Repair Water Damage Under Your Sink, How to Repair Water Damage Under Your Sink: step 1, image 2 of 3 How to Repair Water Damage Under Your Sink, How to Repair Water Damage Under Your Sink: step 1, image 3 of 3
    • Remove all items from under your sink.

    • Test for water leaks by gently pressing the cabinet with your fingers and seeing if it's wet and by looking for drips from the sink.

    • Clean the cabinet using a sponge or cloth with a cleaner or disinfectant of your choice.

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  2. How to Repair Water Damage Under Your Sink: step 2, image 1 of 3 How to Repair Water Damage Under Your Sink: step 2, image 2 of 3 How to Repair Water Damage Under Your Sink: step 2, image 3 of 3
    • Use work gloves to sand the cabinet.

    • Use 100-grit sandpaper to sand the interior of the cabinets using a circular motion.

    • Sand until you can move your hand across the cabinet, and it feels smooth.

    • Clean the sand dust from the cabinet with a damp cloth or sponge.

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  3. How to Repair Water Damage Under Your Sink: step 3, image 1 of 3 How to Repair Water Damage Under Your Sink: step 3, image 2 of 3 How to Repair Water Damage Under Your Sink: step 3, image 3 of 3
    • Apply wood filler with a paint tool making sure you don't apply too much of the filler.

    • You want the layer of filler to be smooth for when you paint over it later.

    • Use painter's tape to mark the areas that you don't want paint on.

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  4. How to Repair Water Damage Under Your Sink: step 4, image 1 of 3 How to Repair Water Damage Under Your Sink: step 4, image 2 of 3 How to Repair Water Damage Under Your Sink: step 4, image 3 of 3
    • Use a caulking gun to seal the edges of the base. Gently press down on the applicator and follow the perimeter of the cabinet.

    • Use your finger to wipe all excess caulk off.

    • Let it dry for 30 minutes.

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  5. How to Repair Water Damage Under Your Sink: step 5, image 1 of 3 How to Repair Water Damage Under Your Sink: step 5, image 2 of 3 How to Repair Water Damage Under Your Sink: step 5, image 3 of 3
    • Use an angle brush to paint all the edges with primer.

    • Use a roller to paint the rest of the cabinet with primer.

    • Let it dry for 1 hour or until it is completely dry.

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  6. How to Repair Water Damage Under Your Sink: step 6, image 1 of 3 How to Repair Water Damage Under Your Sink: step 6, image 2 of 3 How to Repair Water Damage Under Your Sink: step 6, image 3 of 3
    • Use an angle brush to paint all the edges with the paint of your choice.

    • Use the roller to complete painting the cabinet.

    • Let the paint dry.

    • Place your items back under the sink.

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Conclusion

Now, you've got a good-as-new cabinet! You can reapply as needed if paint chips or dulls.

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