Quartz countertops are an increasingly popular option for kitchen and bathroom remodeling projects. Made from ground quartz crystals combined with resins and pigments, quartz counters are praised for their durability, low maintenance, and stylish appearance. However, like all countertop materials, quartz is not completely impervious to damage. One common concern homeowners have is whether quartz counters can be damaged by water exposure. Here is a detailed look at how water affects quartz countertops.
Can Quartz Countertops Be Damaged by Water?
The short answer is yes, quartz counters can be damaged by water in certain situations. However, quartz is much more water-resistant than other natural stone countertops like granite or marble. Here are some key points about water and quartz:
- Quartz counters are non-porous, so they do not absorb water or harbor bacteria like some other materials.
- Brief exposure to water or spills will not affect quartz. It can withstand day-to-day water contact from tasks like cleaning or food prep.
- Prolonged exposure to standing water can damage quartz. The resin binders can break down over time with excess moisture.
- Hot or boiling water poses a hazard and can damage the solid surface of the countertop.
- Quartz is not typically recommended for outdoor kitchens or applications with frequent water exposure. The UV rays and moisture can break down the material.
So in summary, routine water contact and spills are not an issue for quartz counters. But allowing water to pool for extended periods, or exposing the surface to very hot water can compromise the material over time.
How Does Water Damage Quartz?
There are a few ways that prolonged water exposure can start to damage quartz:
Erosion of the Resin Binders – The polymer resins that bind the ground quartz crystals together are not impervious to moisture over time. Excess water can break down these resins and cause the quartz to become compromised.
Heat Damage – Exposing quartz counters to very hot or boiling water can cause immediate damage. The abrupt temperature change can shock and crack the material.
Discoloration – With excessive moisture, quartz counters may develop light spots or discolored areas. The moisture seeps below the surface and causes subtle changes.
Warping – If water is allowed to pool long-term, quartz can begin to warp or separate from the substrate below. The weight and pressure of the water compromises the structural integrity.
Loss of Shine – Extended water damage rob quartz of its polished, glossy shine. The surface will appear dull and matted.
So in most cases, the water affects the visual appearance of the quartz or leads to gradual breakdown of the internal structure. The impacts often start subtle but worsen over time. Fast action is required to prevent permanent damage.
Can You Repair Water-Damaged Quartz?
In minor cases of water damage, the quartz can potentially be repaired:
- For discoloration, the stained areas can sometimes be sanded and polished out to restore appearance.
- Warped areas may be repairable if the damage is minimal. The quartz can be re-adhered to the substrate using a bonding agent.
- If the resins are eroded, a professional can try to refinish the surface using a chemical treatment. Results vary.
However, in cases of significant damage, full replacement may be required. Homeowners should have a countertop professional evaluate the quartz to determine if repairs are viable or a new countertop needs to be installed.
Preventing Water Damage to Quartz
The best defense is to prevent quartz counters from prolonged water exposure in the first place:
- Use a trivet or hot pad under hot pots, pans, and appliances. Avoid putting boiling water directly on the surface.
- Wipe up spills immediately to prevent pooling or standing water.
- Run any leaking appliances, like dishwashers, immediately to prevent water cascading onto counters.
- Use a cutting board, rather than cutting directly on the quartz. This helps prevent knicks that could allow moisture inside.
- Re-seal quartz annually using a specialty countertop sealant made for engineered stone.
- Install a backsplash to protect the counter-to-wall joint from moisture seepage.
With proper care and sealing, homeowners can enjoy their beautiful quartz counters for many years without water damage. But being aware of the risks can help prevent expensive repairs down the road. Consult a countertop pro if you notice any signs of water damage beginning.
FAQs About Water-Damaged Quartz Counters
Can you put a hot pot on a quartz countertop?
No, avoid putting boiling pots or pans directly on quartz. The abrupt temperature change can shock and crack the material. Always use trivets and hot pads.
Does quartz need to be resealed?
Yes, sealing quartz countertops every 12 months is recommended. Look for a product specifically made for engineered stone. Proper sealing prevents moisture damage.
Is it OK to cut on quartz counters?
It’s best to avoid cutting directly on quartz. Always use a cutting board to protect the surface. Cutting can allow water seepage if knicks go through the top layer.
Can you repair quartz countertops yourself?
Minor damage may be repairable through DIY methods like sanding or polishing. But significant warping, cracks, or resin breakdown require a professional fabricator for the best results.
How long does quartz last compared to granite?
With proper care, both granite and quartz can last over 15 years. Quartz is less porous than granite so it is more resistant to daily wear. But granite is better for outdoor use.
Conclusion
Quartz delivers unparalleled durability for most kitchen and bath applications. While it stands up well to routine water contact, prolonged exposure can lead to damage over time. Being aware of the risks and taking proactive steps to wipe up spills and seal surfaces annually allows homeowners to enjoy resilient, low-maintenance quartz for many years. With proper care, quartz counters will retain their flawless beauty despite heavy use.