How to Fill in Small Chip in Quartz Countertop

Quartz countertops are durable, but not completely immune to damage. Even quartz can chip and crack if subjected to sharp impacts. However, minor chips in quartz countertops can often be repaired with special filler putties designed for stone surfaces. Here is a step-by-step guide on how to fill in a small chip in a quartz countertop.

Assessing the Damage

Before attempting any repairs, carefully inspect the chipped area to determine the severity of the damage. Here are some things to check:

  • Size – Is it just a minor chip or an actual crack extending deep into the slab? Small, superficial chips less than 1/4 inch wide can usually be filled, but deep cracks may require professional help.
  • Location – Make sure the chip is in an inconspicuous spot. It’s difficult to achieve a seamless fill on highly visible areas like near the sink.
  • Loose pieces – Gently clean the area with a soft cloth to remove any loose shards or debris. Removing loose material will help the filler adhere better.

If it is just a small, surface-level chip in an area people won’t notice, it’s a good candidate for a DIY chip repair. Any extensive cracking should be evaluated by a countertop professional.

Cleaning and Preparing the Area

Proper cleaning and prep work is crucial for the filler compound to bond effectively:

  • Clean the area thoroughly with a granite cleaner or mild soap and water. Rinse and dry completely.
  • Use masking tape to cover the surrounding surface. This keeps excess filler from getting on the undamaged areas.
  • Optional – For better results, roughen the chipped area using 100-grit sandpaper. This etches the slick quartz so the filler can grab on better.
  • Blow away all dust with compressed air or a dry cloth. The area must be completely clean and dry for the filler to adhere.

Selecting the Right Filler Putty

Specialized quartz countertop repair kits are available with everything needed for professional results:

  • Look for epoxy or polyester filler putty designed specifically for use on natural stone and quartz.
  • Opt for a putty that matches the color and finish of your countertop. Many kits include multiple putty colors to choose from.
  • Make sure to get the accompanying bonding additive for extra strength.

Choosing the right products prevents repairs that look obviously patched.

Filling the Chips

Follow all directions precisely when filling the damaged areas:

  • Mix a small amount of putty according to package instructions. Only make enough for the repair area so none goes to waste.
  • Knead thoroughly until achieving a uniform color with no streaks.
  • Force the putty deep into the chipped area, overfilling slightly. Spread smoothly using a plastic putty knife.
  • Let dry completely. Most fillers take about 30 minutes to cure before sanding.
  • Once dry, gently sand with 100-grit paper until the filler is flush with the surrounding quartz.
  • Remove all sanding residue. Wipe clean with a dry cloth.

Finishing Touches

The final finishing steps help hide signs of repair:

  • Use fine-grit sandpaper to feather out the edges of the filled area so they blend seamlessly.
  • Apply touch-up paint supplied in the kit to mask any remaining flaws. Let dry.
  • Buff the repaired spot with a stone polish product to restore the original shine.
  • Avoid setting very hot pots or cleaners directly on the filled space. Heat and chemicals can damage the repair over time.

With care and patience, these steps make chip repairs nearly invisible. But if the damage returns or worsens, professional help may be needed.

FAQ About Repairing Quarts Countertop Chips

How long does quartz chip repair last?

With proper filling and finishing, the repaired area should be permanent and last as long as the surrounding countertop if cared for properly. Avoid direct heat on the repaired spot.

What color filler should I use on my quartz countertop?

Always try to match the filler putty color as closely as possible to your existing quartz. Many repair kits include putties in various tones to help blend with different counters.

Can I use regular epoxy instead of quartz filler?

Specialized quartz repair compounds are formulated to bond optimally and resist heat/chemicals. DIY epoxy may not achieve durable, seamless repairs. Invest in quality filler.

How can I prevent chips in my quartz countertop?

Avoid direct blows from heavy objects. Use cutting boards instead of slicing directly on the surface. Don’t bang cookware or drop appliance bases. Quartz is durable, but not completely impervious to chipping.

Is there a quick fix for minor quartz chips?

Small chips can often be smoothed over with a stone polish compound. But for long term durability, proper filling with a quartz repair putty is best. Quick fixes may not withstand daily use.

When do I need a pro for quartz chip repair?

For cracked corners, severe cracks wider than 1/4 inch, or chips longer than a few inches, professional help may be needed. Extensive repairs often require filling, bonding, and seamless polishing to remove all signs of damage.


Small chips and cracks in quartz surfaces are fairly common but can be an eyesore. With the right materials and techniques, these unsightly imperfections can often be repaired successfully. Just be sure to properly assess the damage, prep the area, use high quality filler products, follow all directions carefully, and take time with the finishing work for optimal results. With some patience, you can restore the pristine beauty of your quartz countertop.