What Causes Cracks in Quartz Countertops?

What Causes Cracks in Quartz Countertops

Nothing is worse than seeing cracks on quartz countertops. But what causes cracks in quartz countertops?

Sudden temperature changes can damage a quartz countertop. In addition, the impact of dropping objects heavy on quartz countertops can cause them to break. 

Although quartz is among the most robust countertop materials on the market, they’re not impervious to damage. With proper security measures, you might break the countertops. Let’s talk more about the common causes of cracks in quartz countertops and how you can repair them.


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What Is The Cause Of The Cracks On Quartz Countertops?

Quartz countertops are extremely hard to crack or chip. You’ll need to put it in contact with something very cold or hot or throw large or sharp objects onto it, like keys. The more durable Quartz, the stronger against cracks.

But it’s not perfect. Some factors may cause scratches and even cracks on the quartz material.

Low-Quality Quartz Countertop 

If you bought your quartz countertop from a lesser-than-reputable source, it could be constructed of inferior quality materials, which are more prone to cracking. They are typically quartz countertops that are made from lower high-quality materials, such as recycled glass or concrete.

When talking about quartz countertops, you generally get what you spend for. If you see a countertop of quartz much less expensive than the other, It is most likely constructed with inferior quality materials.

Poor Installation

Another possible cause of the quartz countertop cracks may be improper installation. If your countertop is not put in place correctly, it might not be able to support the weight of large objects placed on it or endure damage that comes with regular usage.

In the process, cracks can begin to develop within your quartz counter. Call the company to request repairs or replacements if you think your quartz countertop was installed correctly.

If you plan to have quartz countertops installed, ensure that you employ a professional with experience installing this kind of countertop. If you attempt to do it yourself, you might need to do it right and avoid causing more harm. Only hire the best countertop installer in San Jose.

Sudden Changes In Temperature

Rapid temperature changes could result in quartz countertop cracking. Suppose your quartz counter is often exposed to extreme temperature fluctuations, for instance, the hot pans placed on it or from the sun shining directly onto it, causing freezing temperatures. In that case, it could start to crack with time.


These sudden temperature fluctuations cause quartz countertops its expand and contract quickly, making them more susceptible to cracking. To prevent your countertop made of quartz from cracking because of sudden temperature fluctuations, it is ideal to avoid placing hot pans directly onto it and keep it away from direct sunlight.


Coasters are also necessary trivets to place hot pans or other things on the quartz countertop or only place them on the countertop partially. If you reside in a more frigid climate or in the winter months when temperatures are cold, it is possible to place coasters or placemats beneath hot bowls and cups to protect your quartz countertops.

Extreme Heat

Extreme heat may also make quartz countertop crack. Putting hot pans, ovens, toasters, or other items directly on the quartz countertop could cause the countertop to break. Only abrupt changes could indeed cause cracks in countertops made of quartz. However, prolonged exposure to temperatures could also cause the same.

To stop your countertop made of quartz from cracking because of extreme heat, always utilize a trivet or coaster for placing hot pans or any other object on top of the surface. Also, avoid putting anything hot directly onto the quartz countertop, like the oven or toaster. If you reside in a warmer climate, you might want the quartz counter from direct sunlight to avoid being exposed to excessive temperatures.

Placing Ice Bags Directs On Quartz Countertop

In the same way, not just sudden temperature fluctuations or extreme heat could cause the quartz countertop to crack however; extreme cold can cause damage.

If you place an ice pack directly on your quartz countertop, it may cause the surface to crack over time when you frequently do. It is due to the extreme cold forces the quartz countertop to shrink too quickly and then become vulnerable to cracking.


Extreme temperature fluctuations, whether hot or cold, can cause damage to many substances, including the quartz countertop. Avoid placing ice packs directly on the countertop.

Putting Too Much Weight On The Quartz Countertop

Inflicting too much weight upon the quartz countertop could break your quartz countertops. If you place a weighty object, like an iron skillet, on a countertop made of quartz, this can cause the countertop to break.

If you also sit or stand on the quartz countertop, it may cause the countertop to crack. Quartz countertops aren’t designed to withstand a significant amount of weight. Sitting, standing, standing, or leaning on the countertop may cause excessive stress, causing cracks to form.

Heavy Vibrating Appliance

Avoid installing vibrating appliances like a dishwasher or washing machine close to or on the countertop of your quartz could cause the countertop to crack. The vibrations generated by those appliances used over a prolonged period could be transferred onto the quartz countertop and, over time, cause the countertop surface to crack.

How To Repair Your Quartz Countertop If It Cracks?

You might have noticed a few cracks on the Quartz countertops. If that’s the case, you’re certainly not all alone! Quartz is a very tough material and is difficult to break. However, if it happens, it’s better than it seems.

Find out the location of the cracks. 

Sometimes, they are hidden beneath other items like cabinets or appliances, and it is possible to move the items around to view the cracks. Contact a countertop installer for advice if the chip is extensive (more than a couple of inches). They might require an expert repair.

Use a knife to remove the loose quartz pieces.

Do not use anything abrasive such as sandpaper, as it could exacerbate the issue; instead, you can wipe off the dust using a damp cloth and allow it to dry completely before moving on to your next task. Also, don’t forget to remove the dust that remains using a damp cloth with mild detergent. 

Mix some concrete patching material 

Use enough for each side of your countertop, but pour only what is necessary. It can affect the way your repair can last! After mixing it according to the instructions on the package, Apply it to each crack using a paintbrush or something like it.

Conclusion – What Causes Cracks in Quartz Countertops?

Are you looking to revamp your bathroom or kitchen with new countertop options? Marblus Granite offers a showroom with granite, quartz, and marble countertops. From granite samples to a display of quartz, the countertops are available for you to see and select from. 

Our excellent work in quartz countertop design and manufacturing has helped our company expand. Contact us for countertop installation, and learn more about our services to renovate your countertop!


Marblus Granite and Tile, Inc.

1775 Monterey Rd Unit 40 C, San Jose, CA 95112, United States


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