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How To Fix Chips And Cracks In Quartz Countertops

by Harvie Simms

If you have a quartz countertop, you may eventually notice a crack or chip. Quartz countertops tops are made from 100% quartz stones fused together to make one large slab. Quartz is a non-porous material, and  it is stronger than granite, but it can still get damaged. Cracks and chips on quartz can occur from improper installation or a heavy object dropping on it. Here are some tips to fix cracks and chips in quartz countertops. 

Prepare the Surface 

For this repair, you need: 

  • safety glasses
  • safety gloves
  • rags
  • drop cloth 
  • acetone
  • fast-drying glue
  • small paint brush
  • fine-grit sandpaper
  • razor 

Inspect the damage to determine the kind of glue you will need. If the crack is on the edge, a thick-drying glue works best, since it won't run down the sides. For cracks or chips on the top surface, apply a thinner glue.

Place the drop cloth over non-quartz surfaces to protect them from spills. Dab some acetone on a rag, then thoroughly clean the surface, and let the acetone evaporate. 

Don't clean quartz with high-alkaline products, bleach, or acid-based cleaners, since they cause additional damage. Never handle acetone without wearing safety glasses and work gloves, since it can irritate skin and eyes. 

Apply the Glue 

Squirt the glue in the crack, but do not fill it all the way. Apply one thin layer of glue at a time, and let the glue dry, before applying the next layer. The last glue layer should come slightly above the surface.

For small chips, dab a small amount of glue on the chipped area, and smooth it with a paint brush. Check the glue label for drying times. If you can't find any information, wait 24 hours, so the glue has adequate time to cure. 

Scrape Excess Glue 

For extra safety, use a razor holder that retracts the blade inside a handle, or work with a single-edge blade. Scraping excess glue with the razor blade helps to make repairs even with the rest of the countertop surface. Ensure the sharp edge always points away from you. 

For a crack, hold the blade at a 90-degree angle, then remove the excess glue above the chip or crack, moving the blade in a back and forth, and right to left. For a chip on the surface, hold the blade at a 45-degree angle.

If the chip or crack is on the counter edge, sand excess glue with the sandpaper. Clean the counter again to remove glue chips.

Your quartz countertop should look as  good as new. If the countertop is broken in large pieces, or you don't trust your skills, hire a contractor for the job.

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