Repair guide

How to repair a chipped porcelain sink?

A chip, missing glazed edge or small hole in a compatible porcelain or ceramic sink can be rebuilt and color-matched without replacing the fixture. The Coconix Tile & Stone Repair Kit combines kneadable epoxy tile putty for missing depth with ten mixable color compounds for the visible glazed surface.

Remove soap film and loose material, dry the damage completely, rebuild the missing area with putty when needed, then mix, apply and level the matching color. Correct any active leak, movement, corrosion or spreading through-crack first so the finished repair has a firm, dry base.

Chipped cobalt-blue porcelain sink with a fallen glass bottle and an exact purple magnified close-up of the damaged rim

Repair at a glance: chips on a porcelain sink

Material
porcelain or ceramic sink
Damage
chips
Item
porcelain sink

Repair cost

How much does it cost to repair chips on a porcelain sink?

Professional repair estimates by currency

USD

United States dollar

  • Smaller repair$150–$500

EUR

Euro

  • Smaller repair€130–€210

GBP

British pound

  • Smaller repair£150–£225

What does professional repair cost?

A DIY chipped porcelain sink repair uses one Coconix Tile & Stone Repair Kit, currently $19.95 in the US store. Professional pricing depends on sink material, chip depth, location, color matching and whether spot repair or full refinishing is required; published 2026 guides and service prices place representative sink repair or refinishing ranges at $150–$500 in the US, €130–€210 in the Netherlands and £150–£225 in the UK. Full sink replacement, plumbing work or active leak repair is a separate service.

What does a DIY repair cost?

$19.95

The kit price shown here is live. One kit can often cover more than one small repair.

See the repair kit

What changes the repair cost?

  • The size, depth and severity of the damage
  • The material and whether reinforcement is needed
  • The color, grain, texture and finish-matching work
  • Local labor rates and whether the item must be transported

Professional prices are indicative ranges from the approved article content and can vary by repairer, location and condition. Request a local quote for an exact comparison.

Difficulty

How difficult is it to repair chips on a porcelain sink?

Moderate. Rebuilding missing depth is straightforward with epoxy tile putty; the precision comes from matching the sink color, leveling the curved surface and blending the surrounding glazed finish.

Time required

How long does it take to repair chips on a porcelain sink?

Plan about 30–45 minutes for cleaning, kneading, shaping and color matching, plus several hours for the epoxy tile putty and color layers to harden before the sink is exposed to water or normal use.

When chips on a porcelain sink can be repaired at home

Use this repair for a chip, missing glazed edge, small hole or shallow-to-deep void in a firmly supported compatible porcelain or ceramic sink. The kit’s epoxy tile putty rebuilds missing depth before the mixable color compound restores the visible glazed finish.

When to call a professional for chips on a porcelain sink

Correct any active leak, flexible or moving area, spreading through-crack, unsupported basin damage, or active rust or corrosion before making the visible repair. Confirm that the sink material is compatible and that the area can remain completely dry while the repair hardens.

Prepare before you start

Materials needed to repair chips on a porcelain sink

  • Coconix Tile & Stone Repair Kit box on the Coconix product-family background

    Coconix Tile & Stone Repair Kit

  • Cleaning Cloth

    Cleaning Cloth

  • Sanding Paper (optional)

    Sanding Paper (optional)

Before repairing chips on a porcelain sink

Remove soap film, oils, mineral residue and loose fragments with a material-compatible cleaner, then rinse and dry the chip completely. Protect nearby fittings and the drain, confirm that the surrounding surface is firm, compare the color mixture in the bathroom’s normal lighting, and keep the kit components ready before kneading the epoxy tile putty.

Watch how to repair chips on a porcelain sink

The written procedure below covers the repair steps shown in the video.

Detailed procedure

How to repair chips on a porcelain sink: step by step

  1. Cleaning and preparing a chipped or holed tile or stone surface for repair

    Step 1

    Clean and Prepare the Chip or Hole

    • Remove loose fragments, dust, and debris from the damaged recess while preserving sound surrounding edges.
    • Wipe the chip or hole with a damp cloth and let the area dry thoroughly before filling it.
  2. Kneading epoxy tile putty to rebuild a chip or hole

    Step 2

    Knead Putty for the Missing Depth

    • Use the epoxy tile putty for a chip or hole deeper than 1/4 inch (0.6 cm); for shallow surface loss, the repair compound can be applied without putty.
    • Knead the putty until its color is uniform and apply it within two minutes.
  3. Rebuilding a tile or stone chip, hole, or damaged edge with epoxy putty

    Step 3

    Rebuild the Chip, Hole, or Edge

    • Press the putty firmly into the recess so no air bubbles remain and the missing depth is supported.
    • Shape the putty to the original face, corner, or edge before it hardens, leaving room for the thin color-compound finish.
  4. Mixing a matching surface color for a tile or stone chip or hole repair

    Step 4

    Mix the Matching Surface Color

    • Use the color guide and mixing jar to reproduce the base color of the surrounding tile or stone.
    • Test the mixture on a small area and let it dry fully before refining the tint, shade, or secondary colors.
  5. Covering a rebuilt tile or stone chip or hole with matching color compound

    Step 5

    Cover the Rebuilt Area with Color Compound

    • Apply the repair compound beneath and along the remaining edges first, then work inward over the rebuilt area.
    • Use the spatula for the main face and the brush for corners, narrow edges, and detailed touch-ups.
  6. Shaping and leveling a repaired tile or stone chip or hole

    Step 6

    Shape the Original Surface and Remove Excess

    • Level the repair to the original surface or edge profile while the compound remains workable.
    • Remove excess from the intact surrounding finish with a paper towel or damp cloth before it dries.
  7. Adding pattern detail and finishing a tile or stone chip or hole repair

    Step 7

    Add Veining or Texture and Let It Dry

    • Use the fine brush and matching secondary colors to continue nearby veining, pattern, or texture across the repair.
    • Allow several hours for the compound to dry until it is no longer sticky, then add another thin layer only if the repair still sits low.
Open the official detailed instruction manualProduct-specific Coconix application guidance

Protect the result

How to care for a porcelain sink after repairing chips

  • Let the repair compound dry for several hours until it is no longer sticky before normal cleaning or use.
  • Use gentle, surface-compatible cleaners and avoid direct impact on a rebuilt edge.
  • If the repair settles below the surrounding surface, add another thin matched layer after the previous layer is ready.

Aftercare

Keep the sink dry and unused until the epoxy tile putty and every color-compound layer are fully hard and no longer tacky. Afterward, use nonabrasive cleaners and soft cloths, and avoid dropping bottles, tools or other hard objects onto the repaired rim or basin.

Amazing Product. Great customer service.

Customer repair story

Amazing Product. Great customer service.

We found this product through a Google search once a hole developed in our slate. It came quickly, with well written instructions and good quality product. As you can see from the photo, we were able to match the color of our slate nearly perfectly. And,the company has reached out to make sure we don’t have questions. Personal service for a great product.

Individual repair results vary with the damage, material, preparation and application.

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