Karran Quartz Undermount Sink For Kitchen Projects

Karran quartz undermount sink defines this 33-1/2 inch wide by 21 inch deep single bowl design, so you get a full-size work area in a standard kitchen footprint. The 30 inch by 18 inch by 9 inch internal bowl gives generous depth for dishes and pans, which helps keep washing and rinsing contained below the counter line. Manufactured from 80% crushed quartz plus 20% acrylic resin, the sink combines stone content with a resin binder, which creates a rigid bowl structure for everyday kitchen use. The sink bowl surface has a matte finish, so the working surface presents a softer, non-gloss look in the countertop run. A 3-1/2 inch waste opening matches common kitchen drain sizing, which supports straightforward drain alignment in base cabinet layouts. All external dimensions are approximate to 1/4 inch, giving installers a clear sizing expectation for cutout planning.

Quartz Sink Details That Support Daily Use

• The 33-1/2 inch by 21 inch external dimensions provide a substantial footprint, which helps the sink span typical base cabinets while offering a comfortably sized working bowl.
• The 30 inch by 18 inch by 9 inch internal bowl depth creates a deep basin, which helps contain water and dishes below the counter for a cleaner work area.
• Manufactured from 80% crushed quartz plus 20% acrylic resin, the material blend forms a solid composite, which supports a sturdy feel during regular kitchen tasks.
• The sink bowl surface has a matte finish, which provides a low-sheen appearance that coordinates well with many countertop styles in kitchen installations.
• The 3-1/2 inch waste opening follows a standard kitchen drain size, which simplifies selecting a compatible strainer basket and tying into typical plumbing layouts.
• All external dimensions are approximate to 1/4 inch, which offers a practical tolerance range when planning and executing countertop cutouts.

Undermount Installation And Countertop Fit Details

Undermount installation required defines how this sink is mounted, so the bowl is secured beneath the countertop for a clean, drop-free edge at the cutout. The sink may not be top mounted, so planning centers on an under-counter support approach rather than a deck-set rim. This sink may be undermounted to all stone products, which aligns it with solid surface, granite, or quartz tops in kitchen runs. It can only be installed in new countertops, not existing countertops with an existing sink cutout, so the sink is best matched to fresh fabrication projects. A 1/8 inch overhang is recommended but can also be flush installed, giving fabricators two clear edge treatments that control how the countertop meets the bowl.

How This Single Bowl Quartz Sink Works In Kitchens

Quartz Undermount Sink Use In New Countertops

The Karran 33-1/2 inch by 21 inch quartz gray single bowl undermount sink is designed for new countertops, so it fits naturally into projects where fabricators are cutting a fresh opening. Internal bowl dimensions of 30 inches by 18 inches by 9 inches create a large, uninterrupted workspace, which supports tasks like rinsing sheet pans or stacking dishes without divider interference. The 1-1/4 inch by 3/4 inch machined resin matrix rim gives a defined mounting band around the bowl, which provides a consistent area for bonding the sink to the underside of the stone. Because the sink may be undermounted to all stone products, it is suited to quartz, granite, and similar materials commonly used in kitchen remodels, aligning the bowl with durable countertop choices.

Details That Help Achieve Repeatable Undermount Results

The 1-1/4 inch by 3/4 inch machined resin matrix rim establishes a uniform rim profile, which helps installers achieve even support and sealant distribution around the sink perimeter. A 1/8 inch overhang is recommended, which guides fabricators toward a slight countertop reveal over the bowl for a defined edge presentation, while also permitting a flush installation for a different look. All external dimensions are approximate to 1/4 inch, so templating and CNC programming can factor in a realistic tolerance range when planning the stone cutout. Digital templates for CNC machines are available at the Karran website, which supports efficient fabrication workflows when cutting openings in stone. The 3-1/2 inch waste opening anchors the drain location, which simplifies aligning plumbing rough-ins and ensures the opening matches common kitchen basket strainers.

Common Questions About The Karran QU-722-GR Sink

Choose This Quartz Undermount Sink For New Stone Tops

The Karran quartz undermount sink in gray, model QU-722-GR, pairs a 33-1/2 inch by 21 inch footprint with a 30 inch by 18 inch by 9 inch single bowl, aligning well with full-depth kitchen work. Undermount installation to stone countertops and a 1-1/4 inch by 3/4 inch machined resin matrix rim support dependable mounting in new fabrication projects. Select this sink when a matte finish quartz composite bowl and standard 3-1/2 inch waste opening match the layout and material plan for your next kitchen.