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ALFI brand AB4620DI 46" Double Granite Composite Sink with Drainboard

ALFI brand
SKU # AB4620DI
Back Order, will ship out by November 15, 2025
As low as $719.00
$1,050.00
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Overview

Upgrade your culinary space with the ALFI brand 46-inch double granite composite sink featuring an integrated drainboard, designed specifically for homeowners seeking both high performance and timeless style. Crafted in Italy from durable granite composite, this spacious drop-in model accommodates heavy meal prep while offering a smooth, nonporous surface that handles daily kitchen tasks with ease. Enjoy a resilient kitchen fixture that resists heat, scratches, and stains without the hassle of routine sealing. Experience a seamless blend of Italian craftsmanship and modern utility that enhances your kitchen workflow for years to come.

Perfect For

  • Homeowners tackling a complete kitchen remodel who want a statement sink.
  • Busy culinary enthusiasts who need a reliable double bowl setup for multitasking.
  • Kitchens requiring extra surface space for air-drying dishes via a built-in drainboard.
  • Households looking for a heat and scratch-resistant surface that handles heavy daily use.
  • Remodelers seeking a drop-in sink compatible with standard countertop cutout dimensions.
  • Those desiring the aesthetic of high-end Italian stone composite without high maintenance.

Technical Specifications

More Information
Availability Back Order
Bowl Type Double Bowl
Drain Size 3 1/2
Shape Rectangular
Thickness 3/8
Width 19 3/4
Material Granite
Length 45 3/4
Installation Type Drop In
Height 9
Faucet Holes 0
Drain Placement Off Set
Depth 8 3/4
Bowl Style Rounded
cUPC Certified? Yes
Inner Bowl 13 9/16" x 16 9/10" x 9 1/16"
Item Weight 48
Second Inner Bowl 13 9/16" x 16 9/10" x 9 1/16"

Ship Details

Ship Details
Ship Weight59.00
Ship Size15(H) * 24(W) * 51(L)
Ship StateKS
Ship Zip66021

Key Features

  • Granite Composite Material Offers extreme resistance to heat, scratches, dents, and chips for long-lasting durability.
  • Double Bowl Configuration Provides two equal-sized inner bowls measuring 13 9/16 inches by 16 9/10 inches by 9 1/16 inches for efficient multitasking.
  • Integrated Drainboard Convenient side platform keeps wet dishes and washed produce neatly contained over the counter.
  • Drop-In Installation Includes necessary installation hardware and fits a recommended countertop cutout of 44 7/8 inches by 18 7/8 inches.
  • Nonporous Surface Resists staining and does not require sealing or resealing over its lifespan.
  • cUPC Certified Meets Uniform Plumbing Code standards for safety and reliable quality in residential plumbing installations.

Understanding Granite Composite Durability and Thermal Shock Resistance

Think of granite composite material like a suit of armor for your kitchen counter, combining crushed natural stone with advanced resins to create a surface that stands up to punishing daily tasks. Just as a high-performance frying pan handles sudden temperature changes on the stovetop without warping, this sink is engineered to withstand severe thermal shocks from boiling water or frozen foods touching the surface simultaneously. The dense, nonporous composition prevents microscopic cracks from forming over time, ensuring that heat, stray utensils, and heavy pots leave no lasting mark on your investment.

Installation Guide

  • Review the exterior dimensions of 45 3/4 inches by 19 3/4 inches and verify your cabinet space before beginning the setup process.
  • Prepare your countertop using the recommended cutout measurement of 44 7/8 inches by 18 7/8 inches with a 3/8-inch corner radius.
  • Utilize the included drop-in installation hardware to secure the 48-pound sink firmly into position on your countertop.
  • Attach a compatible 3 1/2-inch drain assembly, such as the recommended ALFI brand model ABST35, as standard drains are not included in the box.

Care & Maintenance

  • Daily Cleaning Wipe the sink down regularly with a soft cloth or sponge and mild liquid dish soap to remove everyday residue.
  • Stain Prevention Rinse the surface thoroughly after washing pigmented foods or liquids to keep the smooth finish looking bright.
  • Hard Water Care Remove occasional mineral deposits by wiping the area with a mixture of equal parts water and white vinegar.
  • Scouring Avoidance Skip harsh abrasive pads, steel wool, or heavy chemical bleach to protect the matte composite sheen from dulling.
  • Thermal Safety Feel free to drain boiling water directly into the basin, as the material handles extreme heat with ease.

FAQ

  • Q: What are the exact exterior dimensions of this sink?

    The exterior measures 45 3/4 inches in length by 19 3/4 inches in width with a height of 9 inches.

  • Q: Does this sink come with a drain included?

    No, the drain is not included. The manufacturer recommends using model ABST35 for proper fit.

  • Q: What size countertop cutout is required for installation?

    The recommended cutout hole is 44 7/8 inches by 18 7/8 inches featuring a 3/8-inch corner radius.

  • Q: Is this sink difficult to keep clean?

    Not at all. The nonporous granite composite surface resists stains and does not require sealing, needing only simple soap and water.

  • Q: What is the installation style of this model?

    This is a drop-in sink that includes the necessary installation hardware for a straightforward setup.

  • Q: Does the sink feature an overflow hole?

    No, this model does not include an overflow.

  • Q: What are the dimensions of the inner bowls?

    Both the primary and second inner bowls measure 13 9/16 inches by 16 9/10 inches with a depth of 9 1/16 inches.

  • Q: Is the material certified for plumbing safety?

    Yes, this sink is certified by the Uniform Plumbing Code.

What Customers Are Saying

A busy family in Chicago upgraded their outdated kitchen setup with this 46-inch granite composite sink to better manage heavy daily meal prep and dishwashing.

The double bowl layout and attached drainboard completely transformed how we handle cooking cleanup, and the granite surface still looks brand new after months of heavy use.

Sarah Jenkins - Homeowner

Cut daily cleanup time in half while gaining valuable counter space for drying dishes.

  • The integrated drainboard is an absolute lifesaver for our kitchen, and the granite composite material cleans up effortlessly.

    David Miller | Interior Designer

  • Stunning Italian design that feels incredibly durable. The double bowls make multitasking during dinner prep so much easier.

    Amanda Ross | Homeowner

  • Very solid drop-in sink. It is heavy and well-built, though make sure you measure your cabinet space carefully before ordering.

    Robert Taylor | Contractor

  • We love that we do not have to worry about sealing this sink. It handles hot pots and pans without showing a single mark.

    Jessica Vance | Home Cook

  • The drop-in installation hardware was straightforward to use, and the finished look elevates the entire kitchen aesthetic.

    Michael Chang | DIY Remodeler

The Ultimate Investment in Long-Term Kitchen Functionality

Choosing a high-quality granite composite sink means investing in decades of reliable performance without the anxiety of high maintenance upkeep. Unlike traditional materials that demand frequent polishing or professional sealing to retain their luster, this Italian-crafted basin maintains its pristine appearance through years of heavy culinary activity. The dense stone composition absorbs sound remarkably well, resulting in a quieter kitchen experience when washing heavy pots, pans, and silverware. By integrating the prep space and wash basins into one unified 46-inch structure, you reduce water splashing across countertops and create an ergonomic workspace that simplifies every stage of meal preparation from start to finish.

ALFI brand continues to set a high standard for kitchen fixtures by pairing European design sensibilities with practical engineering for American homes. This sink reflects a commitment to functional luxury, offering a nonporous surface that inhibits bacteria growth while remaining completely safe for food contact. The thermal shock resistance ensures that dropping a frozen roast or pouring boiling pasta water directly into the basin will never compromise the structural integrity of the material. Whether you are building a brand-new kitchen from the ground up or modernizing an existing countertop layout, this double bowl sink delivers enduring value, everyday convenience, and timeless style that anchors your entire culinary space.

Why This Is the Right Choice

  • Exceptional Value Delivers high-end Italian design and durable granite composite construction at a fraction of the cost of similar luxury sinks.
  • Thermal Shock Resistance Withstands severe thermal shocks and very high cooking temperatures without sustaining damage.
  • Low Maintenance Features a nonporous surface that eliminates the need for messy sealing or specialized cleaners.
  • Certified Safety Fully certified by the Uniform Plumbing Code for peace of mind during your kitchen renovation.