For quartz countertops, it's crucial to have level cabinets to ensure a successful and aesthetically pleasing installation. The recommended levelness tolerance for cabinets supporting quartz countertops is typically within 1/8 of an inch (3.2 mm) over a 10-foot (3-meter) span. This levelness requirement is important because:
Stability: Quartz countertops are heavy, and a level base ensures that the weight is distributed evenly, preventing stress points that could lead to cracks or damage over time.
Appearance: Level cabinets provide a flat surface for the quartz countertop to rest upon. If the cabinets are not level, it can cause gaps, lippage, or uneven seams in the quartz surface, impacting the overall appearance and making it difficult to maintain a clean and even surface.
Functionality: Uneven cabinets may result in areas of the countertop that are not properly supported, making them more prone to chipping or breaking if exposed to heavy weight or pressure.
To achieve the required levelness, professional installers may use shims or adjustable cabinet legs to ensure each cabinet's top surface is even. They may also use a level during the installation process to double-check the alignment and make any necessary adjustments.
It's important to note that this advice may vary slightly depending on the specific manufacturer's guidelines or the particular type and thickness of the quartz countertop being installed. Always refer to the manufacturer's recommendations and consult with experienced installers to ensure a successful and long-lasting quartz countertop installation.