Using a microwave directly on a quartz countertop is generally not recommended. Here is a detailed overview explaining if and how you can use a microwave on quartz.
What is Quartz?
Quartz is an engineered stone made from crushed quartz combined with resin and pigments. It is commonly used for countertops and backsplashes in kitchens and bathrooms. Some key features of quartz:
- Extremely durable and resistant to scratches, heat, and stains
- Non-porous so does not require sealing
- Available in a wide range of colors and patterns
- Resists cracking and chipping
- Easy to clean and maintain
Compared to natural stone like granite, quartz offers superior durability and requires less maintenance. This makes it a popular choice for busy kitchens.
Can You Put a Microwave on Quartz?
Directly placing a microwave oven on a quartz countertop is not recommended.
Although quartz is durable, the concentrated heat from the bottom of the microwave can potentially damage the surface. Quartz is engineered with resins that can melt under high, direct heat exposure.
Long-term placement of a microwave on quartz can lead to:
- Discoloration of the surface
- Bond deterioration causing cracks and pits
- Melted spots leaving permanent damage
Microwave ovens can heat to temperatures exceeding 200°F. While quartz is generally heat-resistant, consistent direct contact with high heat can be problematic.
Best Practices for Using a Microwave with Quartz
While direct contact is not advised, you have some options for safely using a microwave with quartz countertops:
- Use a microwave heat pad – Place a specialized heat pad or hot pad under the microwave to diffuse the heat. This protects the quartz surface.
- Elevate with a stand or riser – Place the microwave on a microwave stand or riser to allow airflow and prevent direct contact.
- Use a separate portable cart – Place the microwave on a utility cart or microwave cart away from the quartz surface.
- Limit usage – Avoid consistently using the microwave directly on the quartz. Occasional, short-term use may be ok.
- Add protection – Use a trivet or protective heat pad under the microwave when in use. Remove when done.
Signs of Damage from Microwave Usage
Here are some signs that your quartz countertop may be getting damaged from microwave heat:
- Discolored or faded spots
- Surface cracks, pits, or bubbles
- Rough spots or etching on the surface
- Resin deterioration causing loosening or holes
If you see any of these warning signs, stop using the microwave on the quartz surface immediately to prevent further damage. The countertop may need resurfacing or replacement if severely damaged.
Other Heat Protection Tips
Try these additional precautions to prevent heat damage to your quartz:
- Use trivets or hot pads when placing hot pots, pans, or bakeware on the surface
- Don’t put hot hair tools like curling irons or straighteners directly on the quartz
- Avoid exposing the surface to open flames
- Use a cutting board when chopping and prepping foods
- Clean up spills immediately to avoid staining
With proper care, your quartz countertops can maintain their beauty and durability for many years. Limiting direct high heat exposure is key to preventing damage.
Bottom Line
It’s best practice to avoid placing microwave ovens directly on quartz countertops. The intense concentrated heat can eventually cause discoloration, cracks, and other damage over time. Use a protective barrier like a heat pad or elevate the microwave to prevent direct contact. With some simple precautions, you can safely use a microwave while keeping your quartz countertops pristine.