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    Sinks
    1. Home
    2. Kitchen & Bath Cabinet Accessories
    3. Sinks and Accessories
    4. Sinks
    Item # KAA-309-BI • Mfr # A-309-BISQUE

    Karran Acrylic Series 20-3/4"W Bisque Vanity Undermount Sink Single Bowl, ADA Compliant - A-309-BISQUE

    Description

    Karran Acrylic Vanity Sink For Undermount Use

    Karran acrylic vanity sink A-309-BISQUE provides an ADA compliant single-bowl undermount sink, so bathroom projects needing accessibility gain a defined, compliant basin solution. External bowl dimensions of 21 x 14 x 5-3/4 inches set the overall footprint, helping layout work with surrounding cabinetry and countertop cutouts. Internal bowl dimensions of 18-5/8 x 11-5/8 x 5-3/4 inches define the usable basin space, which matters when planning clearances for faucets, backsplash, and user reach into the sink. This acrylic vanity sink is part of Karran's Acrylic Series, tying it to a known product class of acrylic sinks for consistent spec expectations across similar jobs. Classified as a single bowl design, it keeps the cutout and plumbing layout straightforward in compact vanity applications.

    Key Acrylic Vanity Sink Details For Projects

    • Ultra dense 100% acrylic resin construction creates a uniform material body, which supports consistent undermount routing and edge finishing during countertop fabrication.
    • Suitable for undermounting to laminate, solid surface, and granite, so the same sink model can be specified across different top materials in a single project without changing bowl geometry.
    • Completely nonporous surface stops liquid absorption, which helps bathroom environments resist bacteria build up on the sink itself over repeated daily use.
    • Satin finish allows the use of all cleansers, including abrasive scouring pads, giving maintenance crews flexibility in cleaning products when tackling cosmetic marks or residue.
    • Guaranteed not to stain or crack from thermal shock and withstands temperatures of up to 360 F, so intermittent exposure to hot water or styling tools does not alter the basin surface.
    • Color offering of Bisque, with sinks also available in White, lets designers coordinate the basin with surrounding fixtures while keeping the same model number and sizing.

    Undermount Installation And Faucet Setup Details

    Suitable undermounting to laminate, solid surface, and granite gives fabricators a defined sink choice for varied countertop programs while retaining the same A-309-BISQUE geometry. This sink's external dimensions of 21 x 14 x 5-3/4 inches and internal dimensions of 18-5/8 x 11-5/8 x 5-3/4 inches provide clear numbers for templating and cutout sizing, which supports predictable reveals and consistent edge profiles. The sink is described for vanity undermount installation, so its depth and footprint align with typical bathroom cabinet proportions, easing integration with standard vanity bases. Karran notes that all external dimensions are approximate to 1/4 inch, guiding installers to allow a modest tolerance band when routing or machining countertop openings.

    Using This Acrylic Vanity Sink In Real Projects

    Where This Karran Acrylic Vanity Sink Fits

    The Karran Acrylic Series 20-3/4 inch wide bisque vanity undermount sink is designed for bathroom vanity use, so it aligns with residential and light commercial bath layouts relying on an undermount look. Its single bowl configuration simplifies drain placement and trap routing under typical vanity cabinets, which supports straightforward plumbing alignment. Suitability for undermounting to laminate means it can be paired with post-formed or custom laminate tops without changing sink model, and the same holds for solid surface and granite tops, which reduces variation across units in multi-room projects. External dimensions of 21 x 14 x 5-3/4 inches and internal bowl dimensions of 18-5/8 x 11-5/8 x 5-3/4 inches set a compact footprint, allowing this sink to work in smaller vanity widths while still providing a defined basin area. The bisque color option gives a warm-toned appearance that coordinates with many traditional bath palettes where bright white is not preferred.

    Why These Acrylic Sink Details Support Consistency

    The ultra dense 100% acrylic resin body provides a consistent material thickness throughout the Karran acrylic vanity sink, which helps fabricators achieve uniform undermount reveals when bonding the sink to laminate, solid surface, or granite. Because the surface is completely nonporous, the sink resists bacteria build up, supporting hygiene goals in frequently used bathrooms where standing moisture is common. The satin finish is specified to accept all cleansers, including abrasive scouring pads, which lets maintenance staff address stains or scuffs without being limited to mild cleaners. Temp resistance up to 360 F and the guarantee against staining or cracking from thermal shock mean that typical hot water use and incidental contact with heated bathroom items will not impact the basin structure under normal use conditions. Faucet deck type sinks in this series accept 1-hole, 2-hole, and 3-hole faucet setups, which gives planners flexibility to standardize on a faucet style without changing the basic sink bowl spec. A 25 years limited warranty against manufacturer defects replacement offers long-term product support, aligning with projects that expect extended service life from installed bath fixtures.

    Common Questions About This Karran Vanity Sink

    What are the overall dimensions of the A-309-BISQUE sink?

    The Karran A-309-BISQUE sink has external bowl dimensions of 21 x 14 x 5-3/4 inches, which guides countertop cutout sizing and vanity cabinet space planning.

    How large is the usable bowl area inside the sink?

    The internal bowl dimensions are 18-5/8 x 11-5/8 x 5-3/4 inches, providing the actual washing area and helping estimate splash zones and faucet reach.

    Which countertop materials can this acrylic vanity sink be undermounted to?

    The Karran acrylic vanity sink is suitable for undermounting to laminate, solid surface, and granite, so it works across multiple top materials with the same bowl geometry.

    What is the material of this Karran undermount sink?

    This model uses ultra dense 100 percent acrylic resin, providing a uniform, nonporous body that resists bacteria build up and supports smooth undermount installation.

    How does the sink handle heat and thermal shock?

    The Karran acrylic vanity sink is guaranteed not to stain or crack from thermal shock and withstands temperatures up to 360 F, supporting normal hot water and bathroom heat exposure.

    What faucet configurations can be used with this acrylic sink series?

    Faucet deck type sinks in this acrylic series accept 1 hole, 2 hole, and 3 hole faucet setups, providing flexibility in faucet selection while keeping the same sink family.

    Select This Sink For Accessible Vanity Projects

    The Karran Acrylic Series 20-3/4 inch wide bisque vanity undermount sink, model A-309-BISQUE, delivers an ADA compliant single-bowl basin sized for bathroom vanities, which streamlines planning for accessible installations. Ultra dense 100 percent acrylic resin and a completely nonporous surface support long-term performance in wet bath environments. Suitability for undermounting to laminate, solid surface, and granite lets fabricators standardize on one sink model across different countertop programs. When a bisque-color undermount solution with defined dimensions, thermal shock resistance, satin finish cleanability, and a 25 years limited warranty against manufacturer defects replacement matches the project brief, this sink is positioned as a practical choice.

    Catalog
    X-26
    Color/Finish
    Bisque
    Bowl Configuration
    Single
    Overall Sink Width (Front to Back)
    13-3/4 in
    Overall Sink Length (Side to Side)
    20-3/4 in
    Minimum Cabinet Width Required
    24 in
    Material Type
    Acrylic resin
    Product Type
    Vanity Sink
    Inside Bowl Depth
    5-1/8 in
    Inside Bowl Length
    18-3/4 in
    Inside Bowl Width
    11-5/8 in
    Installation Method
    Undermount
    Designed for Installation Into
    Solid Surface, Laminate
    Drain Opening Diameter
    1-3/4 in
    Certifications
    cUPC certified, IAPMO certified
    ADA Compliant
    Yes
    Manufacturer Series
    Acrylic Series
    Supplier Pack Size
    1
    Sold In
    1
    Catalog
    X-26
    Color/Finish
    Bisque
    Bowl Configuration
    Single
    Overall Sink Width (Front to Back)
    13-3/4 in
    Overall Sink Length (Side to Side)
    20-3/4 in
    Minimum Cabinet Width Required
    24 in
    Material Type
    Acrylic resin
    Product Type
    Vanity Sink
    Inside Bowl Depth
    5-1/8 in
    Inside Bowl Length
    18-3/4 in
    Inside Bowl Width
    11-5/8 in
    Installation Method
    Undermount
    Designed for Installation Into
    Solid Surface, Laminate
    Drain Opening Diameter
    1-3/4 in
    Certifications
    cUPC certified, IAPMO certified
    ADA Compliant
    Yes
    Manufacturer Series
    Acrylic Series
    Supplier Pack Size
    1
    Sold In
    1
    WhiteBisque
    Karran
    $224.41/Each
    Karran Acrylic Series 20-3/4"W Bisque Vanity Undermount Sink Single Bowl, ADA Compliant - A-309-BISQUE
    Item# KAA-309-BI / MFR Part # A-309-BISQUE
    Each
    Each
    In Stock

    Sold In: 1 Each

    Each

    Installation Tools

    Seaming Adhesives

    Other Finishes for A-309 Sinks

    Quantity
    Unit Price
    Catalog
    Sold in: 1 Each
    X-34
    KA70020
    Mfr# TIPS
    Cartridge Mixing Tips for 250ml Seaming Adhesive
    Sold in: 1 Each
    X-34
    KAAG
    Mfr# AG
    Seam Adhesive Guns For Karran Sinks AG
    Quantity
    Unit Price
    Catalog
    Sold in: 1 Each
    X-26
    KAA-309-WH
    Mfr# A-309-WHITE
    Karran Acrylic Series 20-3/4"W White Vanity Undermount Sink Single Bowl, ADA Compliant - A-309-WHITE
    Quantity
    Unit Price
    Catalog
    Sold in: 1 Each
    X-34
    KA70003K
    Mfr# BISSA
    3174 bisque seam adhesive 250 ml tube