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    Sinks
    1. Home
    2. Kitchen & Bath Cabinet Accessories
    3. Sinks and Accessories
    4. Sinks
    Item # KAQU812-BI • Mfr # QU-812-BI

    Karran 32-1/2"W x 19-1/4"D Quartz Bisque Single Bowl Undermount Sink - QU-812-BI

    • Technical data, QU-812-BI
      Technical data, QU-812-BI
    • User manual 1, QU-812-BI
      User manual 1, QU-812-BI

    Description

    Karran Quartz Undermount Sink For Busy Kitchens

    Karran quartz undermount sink describes a single bowl bisque quartz sink designed for installation into quartz, granite and solid surface countertops, so it suits typical stone and solid surface kitchen remodels or new cabinet runs. The sink is made from 80% natural quartz crystals and pure acrylic resin, which creates a dense, hard bowl that stands up to daily use in a working kitchen. The durable quartz material is non-porous, preventing the spread of germs and bacteria, so the bowl surface resists moisture absorption in normal food prep and cleanup. Heat resistance up to 535 F and the ability to withstand rapid temperature changes from hot and cold water means the sink handles routine cooking tasks like draining boiling pots followed by cold rinses. As part of Karran's quartz sinks line, this model delivers a single, uninterrupted work area that fits well in both residential and light-duty commercial kitchen layouts.

    Quartz Sink Details That Support Daily Use

    • The sink is made from 80% natural quartz crystals and pure acrylic resin, giving a hard-wearing bowl that tolerates pots, pans and utensils in everyday kitchen cleanup without feeling fragile during normal use.
    • The durable quartz material is non-porous, preventing the spread of germs and bacteria, so the interior surface resists moisture penetration and supports straightforward cleaning routines between food prep tasks.
    • The sink is extremely stain, scratch, abrasion and impact resistant, which helps the bowl maintain its appearance when handling metal cookware, dishes and utensils over time in a frequently used kitchen.
    • Heat resistance up to 535 F, along with the ability to withstand rapid temperature changes from hot and cold water, lets users move from boiling-water drains to cold rinses without interrupting workflow.
    • The rear drain location provides more storage room in your cabinet below, keeping the main trap and plumbing toward the back so front cabinet space is more open for common under-sink items.
    • The 9 inch deep bowls provide plenty of room to accommodate all your cookware, giving extra depth for soaking large pots and stacking dishes during peak cleanup without crowding the counter.

    Installation Dimensions And Undermount Fit Details

    The sink is designed for undermount installation into quartz, granite and solid surface countertops, so fabricators can cut and polish a clean opening with the bowl mounted from below. A minimum cabinet size of a 36 inch sink base cabinet is required, which guides layout planning when setting base boxes and aligning adjacent drawers. The overall width is 32-1/2 inches and depth is 19-1/4 inches, so the bowl spans a substantial section of the cabinet while staying within the stated cabinet size requirement. The drain opening size is 3-1/2 inches, allowing connection to a standard-sized kitchen drain body in typical plumbing layouts. The sink has an approximate weight of 37 lbs, which matters when planning handling, support and countertop fabrication steps. All external dimensions are approximate to 1/4 inch, giving fabricators a tolerance range when cutting and finishing the countertop opening.

    How This Single Bowl Quartz Sink Works In Practice

    Where This Karran Quartz Undermount Sink Fits

    This Karran 32-1/2 inch wide by 19-1/4 inch deep quartz bisque single bowl undermount sink fits kitchen projects using quartz, granite and solid surface countertops, aligning with stone and solid-surface work typically seen in remodeled and new-build kitchens. As a quartz sink within the Kitchen & Bath Cabinet Accessories category, it integrates into standard base cabinet layouts while coordinating with other cabinet and surfacing selections. The required 36 inch sink base cabinet sets the cabinet layout point for installers, anchoring adjacent base widths and drawer banks. The rear drain location shifts the plumbing toward the back of the cabinet interior, opening more front space for items such as cleaners or small bins. The 9 inch deep bowl provides generous vertical room for cookware, so deeper stock pots or tall items sit fully in the basin during soaking and washing rather than crowding the counter edge.

    Why These Quartz Sink Details Matter On The Job

    The sink's construction from 80% natural quartz crystals and pure acrylic resin yields a rigid bowl, which supports secure undermount installation beneath quartz, granite and solid surface countertops without a thin or flexible feel during daily use. Its durable, non-porous quartz material helps prevent the spread of germs and bacteria, supporting hygiene across repeated food prep cycles during the day. Extreme stain, scratch, abrasion and impact resistance lets the sink handle regular contact with metal cookware, utensils and dishware, reducing the likelihood of visible wear in a frequently used kitchen. Heat resistance up to 535 F, together with tolerance for rapid temperature changes from hot and cold water, allows users to move hot pots directly from the cooktop to the sink, then run cold water, without disrupting workflow. The 3-1/2 inch drain opening size matches standard kitchen drain components, simplifying integration into typical plumbing assemblies. The approximate 37 lb weight gives fabricators and installers a predictable load when positioning the sink under the countertop cutout.

    Key Questions About This Karran Quartz Sink

    What countertop materials work with this Karran QU-812-BI sink?

    The Karran QU-812-BI sink is designed for installation into quartz, granite and solid surface countertops, so it suits common stone and solid-surface kitchen counter projects.

    What cabinet size is required for this single bowl sink?

    The Karran QU-812-BI sink requires a minimum 36 inch sink base cabinet, which sets the base cabinet width needed when planning the kitchen layout.

    How deep is the bowl on this quartz undermount sink?

    The Karran QU-812-BI sink has 9 inch deep bowls, providing extra depth to handle large cookware and stacked dishes during busy cleanup periods.

    What is the drain opening size on this Karran quartz sink?

    The Karran QU-812-BI sink has a 3-1/2 inch drain opening size, which matches standard kitchen drain fittings and works with most garbage disposals.

    How does the rear drain location help under the cabinet?

    The Karran QU-812-BI sink has a rear drain location that shifts plumbing toward the back, leaving more usable storage space at the front of the cabinet.

    What makes this quartz sink suitable for heavy kitchen use?

    The Karran QU-812-BI sink is made from durable, non-porous quartz that is extremely stain, scratch, abrasion and impact resistant, supporting demanding daily kitchen workflows.

    Choose This Sink For Stone Countertop Projects

    The Karran quartz undermount sink pairs an undermount design for quartz, granite and solid surface countertops with a 32-1/2 inch wide, 19-1/4 inch deep single bowl sized for a 36 inch sink base cabinet, so it suits many standard kitchen runs. Its durable, non-porous quartz construction, extreme resistance to stains, scratches, abrasion and impact, and 9 inch deep bowl support demanding daily cleanup. The 3-1/2 inch drain opening, rear drain location and approximate 37 lb weight further streamline planning for plumbing and handling. For projects calling for a bisque quartz single bowl undermount option, this model offers defined dimensions and performance-focused material details.

    Color/Finish
    Bisque
    Product Type
    Undermount Sink
    Overall Sink Length (Side to Side)
    32-1/2 in
    Overall Sink Width (Front to Back)
    19-1/4 in
    Minimum Cabinet Width Required
    36 in
    Inside Bowl Depth
    9 in
    Inside Bowl Length
    30 in
    Inside Bowl Width
    16-3/4 in
    Installation Method
    Undermount
    Designed for Installation Into
    Quartz, Solid Surface, Granite
    Drain Opening Diameter
    3-1/2 in
    Bowl Configuration
    Single
    ADA Compliant
    No
    Certifications
    cUPC certified
    Material Type
    Quartz
    Supplier Pack Size
    1
    Sold In
    1
    Color/Finish
    Bisque
    Product Type
    Undermount Sink
    Overall Sink Length (Side to Side)
    32-1/2 in
    Overall Sink Width (Front to Back)
    19-1/4 in
    Minimum Cabinet Width Required
    36 in
    Inside Bowl Depth
    9 in
    Inside Bowl Length
    30 in
    Inside Bowl Width
    16-3/4 in
    Installation Method
    Undermount
    Designed for Installation Into
    Quartz, Solid Surface, Granite
    Drain Opening Diameter
    3-1/2 in
    Bowl Configuration
    Single
    ADA Compliant
    No
    Certifications
    cUPC certified
    Material Type
    Quartz
    Supplier Pack Size
    1
    Sold In
    1
    BlackWhiteConcreteGrayBrownBisque
    Karran
    $449.59/Each
    Karran 32-1/2"W x 19-1/4"D Quartz Bisque Single Bowl Undermount Sink - QU-812-BI
    Item# KAQU812-BI / MFR Part # QU-812-BI
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    Sold In: 1 Each

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