A Concrete-Finish Undermount Kitchen Sink for Modern and Industrial Kitchens

The Karran Q-340 is a single-bowl undermount quartz kitchen sink finished in Concrete, a muted, warm gray tone that pairs naturally with industrial, modern, and transitional kitchen aesthetics. It mounts beneath laminate, solid surface, or granite countertops and carries cUPC and IAPMO certifications.

Key Features

• Single bowl configuration with a generous inside bowl depth of 9 inches for full submersion of large pots and cookware.
• Concrete finish in an 80% quartz composite body that gives the look of raw concrete without the weight or maintenance.
• Undermount installation compatible with laminate, solid surface, and granite countertops.
• cUPC and IAPMO certified for code-compliant residential and commercial kitchen installations.
• 3-1/2 inch drain opening sized for standard kitchen strainers and disposal flanges.
• Minimum 33-inch cabinet width required for proper installation clearance.

Built for Kitchens Where the Sink Is Part of the Statement

The Concrete finish is not a neutral background color — it is a design choice. The warm, matte gray tone of this sink reads as raw and tactile against white shaker cabinets, complements poured-concrete countertops, and holds its own next to dark wood and black hardware. A single deep bowl keeps the look clean and uninterrupted, with no divider breaking the interior. For kitchens designed around an industrial or minimalist language, this sink adds a material presence that a standard stainless or white basin does not.

Quartz Composite Construction and the Concrete Finish

The Q-340 is made from 80% quartz blended with acrylic resin, a dense composite that resists staining, shrugs off food residue, and handles hot pots without damage. The Concrete finish runs through the quartz composite body, so chips and wear do not expose a contrasting core underneath. The non-porous surface does not harbor bacteria or absorb food odors the way a porous material would, and cleanup is a wipe-down rather than a scrub.

Who This Sink Is For

This sink works for homeowners remodeling a kitchen around a concrete, industrial, or modern design direction. It also suits designers specifying a statement sink for a new build where the countertop is laminate, solid surface, or granite. Because it is undermount-only and sized for a 33-inch minimum cabinet, it belongs in a new countertop installation rather than a drop-in replacement. Cabinet shops and contractors building or renovating around this sink should plan the countertop fabrication around the 30-7/8 by 18-7/8 inch overall footprint and the 28-3/8 by 16-3/8 inch interior bowl dimensions before the countertop is cut.

Common Questions

A Statement Sink That Works as Hard as It Looks

The Karran Q-340 in Concrete brings a material-forward design choice to the kitchen without giving up the depth, durability, and certification that a working kitchen demands.