How to Reseal Around the Kitchen Sink & Counter

Written by stephi peppers
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One of the most essential parts of your kitchen is one you do not necessarily use, not intentionally at least. Your kitchen counters and sinks take on years of wear and tear from meal preparation and cleanup. While you may not actively use the seals around your counters and sinks, they are always working for you. These seals protect your walls, appliances and cabinets from the damage and rot caused by spilt foods, liquids and the inevitable gush of water coming from your sink when you wash dishes. If your seals look damaged or appear to be in need of replacing, you only need a few simple materials and an afternoon to replace them.

Skill level:

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Things you need

  • Clean cloths
  • Box cutter or craft knife
  • Shims
  • Caulk or silicone
  • Caulk gun
  • Old credit card
  • Water

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  1. 1

    Clean your work surface. Wipe down and thoroughly clean your counters and sink, especially around the areas where the sealant is located. Dry the areas thoroughly as well with a cloth or other material that will leave minimal amounts of lint behind.

  2. 2

    Detach the sink. Most sinks are held in place by a number of screws beneath the sink. Simply unscrew them and place the screws in a safe place.

  3. 3

    Scrape away the old sealant, using your craft knife or box cutter. This should include areas around appliances, where the counter meets the walls or back splash and round the edge of the sink. Once the sealant has been removed from around the sink, prop the sink up on wood shims for the resealing process. Exercise caution during this step, as a slip with the knife could cause serious injury. Be careful not to damage the surrounding walls, appliances or sink as you scrape the old material away. Discard the old sealant.

  4. 4

    Clean your work surface. Using a clean, dry cloth, wipe away any dust, debris, or excess sealant. Pay special attention to the areas your new sealant will rest. Make sure no debris remains, as it could cause your sealant to set incorrectly.

  5. 5

    Apply the new sealant. Place the tube of caulking or silicone into the caulking gun. Apply caulk in a thick, smooth line to all the areas you previously removed the sealant from, including under the edges of the sink. Remove the shims one by one as you make your way around the sink. Work quickly, getting the caulking or silicone into the edges before it begins to harden. Go back over the sealant with the edge of an old credit card. This will help press and disperse all the sealant into the edges. Remove excess sealant from the credit card edge as you work.

  6. 6

    Clean the sealed edges. Before the sealant dries, clean the excess sealant away with a moist cloth. If the sealant has dried, simply scrape off the excess with your craft knife. Follow the manufacturer's instructions for drying time, and do not to use your sink or counter until the sealant has cured.

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