Quartz countertops have become increasingly popular in recent years as a stylish, durable, and low-maintenance option for kitchen and bathroom remodeling projects. Unlike natural stone countertops like granite or marble, quartz countertops are engineered from raw quartz crystals combined with resins and pigments. This manufacturing process allows quartz countertops to be customized with a wide range of colors and patterns while retaining the strength and durability that makes quartz an ideal countertop material.
What is Quartz Made Of?
Quartz countertops are made from crushed quartz crystals combined with polyester resins and pigments. The typical quartz countertop contains over 90% ground natural quartz along with:
- Resins – Usually polyester or epoxy resins that act as a binding agent. Resins give the countertop its shape and structure.
- Pigments – Added colors that determine the look and style of the countertop. Pigments can create anything from solid colors to simulated patterns.
- Other Additives – Small amounts of other materials like recycled glass or mirrors can be added for sparkle.
This combination of natural quartz aggregates and synthetic materials forms a durable, non-porous surface resistant to scratches, stains, and heat up to 212°F. The resin binds the crushed quartz into a solid slab.
How Are Quartz Countertops Made?
Manufacturing quartz countertops is a multi-step process:
- Mixing – The crushed quartz, resins, and pigments are combined and mixed into a homogeneous slurry.
- Molding – The quartz mixture is poured into a mold and compacted under vibrations to remove air pockets. Molds can be designed to create different edge profiles.
- Curing – The molded slabs cure in an oven, where the resin hardens permanently into a solid slab. Curing can take several hours.
- Finishing – Once cooled, the finished slabs are polished to a smooth, shiney finish. Edge treatments and holes for sinks are added.
- Fabrication – The quartz slabs are cut to size, attached to substrate material, and installed as countertops in homes or businesses.
Pros and Cons of Quartz Countertops
Quartz offers many benefits as a countertop material:
Pros
- Extremely durable and scratch-resistant surface.
- Stain, heat, and water resistant.
- Available in a huge range of colors and styles.
- Requires very little maintenance.
- Non-porous so does not need periodic sealing.
- Mold and bacteria resistant.
- Consistent patterning throughout the slab.
Cons
- More expensive than laminate.
- Can chip if subjected to heavy impact.
- Requires professional installation.
- Seams may be visible between countertop slabs.
- Limited ability to repair damage compared to natural stone.
Is Quartz Countertops Environmentally Friendly?
While not 100% natural, quartz countertops are considered an environmentally wise choice for several reasons:
- Made from abundant natural quartz and recycled materials.
- Produced in ISO-certified facilities with low carbon emissions.
- Does not require repeat application of sealants over time.
- Durable surface minimizes the need for replacement.
- Low maintenance requirements save water and detergents.
- Can be recycled at end of use.
How to Care for Quartz Countertops
Caring for quartz countertops is simple, with very little maintenance required. Recommendations include:
- Clean with soap and water. Avoid abrasive cleaners.
- Blot spills immediately to prevent stains.
- Regularly disinfect surface with diluted bleach cleaner.
- Avoid exposing to strong chemicals like paint removers.
- Use trivets or hot pads under hot pans to prevent burning.
- Don’t cut directly on the quartz surface. Always use a cutting board.
- Re-apply sealant to the grout lines annually.
With proper care, a quartz countertop can stay in excellent condition for many years before needing replacement. The durability and low maintenance of quartz makes it a great option for busy kitchens and baths.
Frequently Asked Questions
Is quartz healthier than granite?
Yes, quartz is generally regarded as a healthier choice than granite. Quartz is non-porous so does not harbor bacteria growth the way natural stone can. Quartz also does not require chemical sealants that can leach into food over time.
Is a quartz countertop durable?
Quartz is extremely durable and resistant to scratches, stains, heat, and daily wear and tear. With proper care it can last for many decades before needing replacement. It does not easily chip or crack like natural stone.
Can you repair a damaged quartz countertop?
Minor damage like light scratches can be buffed out. But deep scratches, chips, and cracks cannot be easily repaired on quartz. Seam repair is also challenging. Total replacement may be needed in the case of significant damage.
Does quartz need to be sealed?
No, quartz does not require sealing like natural stone countertops. The resins make quartz non-porous and impervious to moisture. However, the grout lines between slabs will need occasional re-sealing.
Is quartz expensive?
Quartz is pricier than laminate but competitively priced with many natural stones. The average installed cost of a quartz countertop is $80-100 per square foot. Higher-end designer brands can be over $100 per square foot.
Conclusion
With their stylish appearance and superior performance, quartz countertops have quickly become a highly sought after option for today’s kitchens and bathrooms. Combining the beauty of natural quartz with the convenience of a engineered surface, quartz offers the best of both worlds. As manufacturing techniques continue improving, expect quartz countertops to gain even more popularity in the future as a leader in countertop design.