Fireclay Sink Repair

Written by samantha volz
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Fireclay Sink Repair
Repair a scratch in your fireclay sink with a manufacturer's repair kit. (Jupiterimages/Creatas/Getty Images)

Fireclay is a unique material used to make sinks and tubs. It maintains the appearance of porcelain or ceramic, but because the clay is so heat- and fire-resistant (it is created at a much higher temperature), the material's resilience is increased. Fireclay rarely suffers from chips or scratches, but when it does you can acquire a repair kit from your sink's manufacturer to reinforce the damaged area with similar damage-resistant material.

Skill level:
Moderately Easy

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Things you need

  • Rag
  • Water
  • Sink cleaner
  • White spirit
  • Lint-free cloth
  • Repair kit

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  1. 1

    Clean the damaged area with a rag dampened in warm water and an all-purpose sink cleaner. Mildly abrasive cleaners are fine for removing any stains in the damaged area. If necessary, use a solvent cleaner, such as white spirit, to remove grease or wax.

  2. 2

    Dry off the area thoroughly with a lint-free cloth. Shake your fireclay repair compound that comes with your repair kit for two full minutes to ensure that it is ready for use.

  3. 3

    Apply the compound to the damaged area with the provided applicator. If the kit does not come with an applicator, use a toothpick or cotton swab to spread the repair compound. Make multiple passes, applying thin layers of compound until the damaged area is completely covered.

  4. 4

    Protect the repaired area from moisture and pressure for at last 24 hours so that the compound can dry fully.

Tips and warnings

  • If you use a repair kit made for porcelain or ceramic, you may not achieve the same resilient finish or colour matching for your sink repair. If at all possible, obtain a repair kit designed specifically for your sink from your product's manufacturer.

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