Product Overview
The MSI Single Bowl "SCO" 3218 Stainless Steel Undermount Sink (Model: SCO-18-BWL-3218) is a premium, oversized single-basin kitchen sink engineered for maximum culinary efficiency. Part of MSI's commercial-grade stainless steel collection, this 32" x 18" sink is drawn from a single sheet of heavy-duty 18-gauge 304-grade stainless steel, offering an expansive open bowl that effortlessly fits oversized stockpots, baking sheets, and heavy roasting pans.
Designed for undermount installation beneath solid surface countertops like quartz, granite, or marble, the 3218 model creates a seamless, rimless edge that allows you to wipe water and food debris directly into the bowl. Finished in a soft brushed satin luster and treated with heavy sound-dampening undercoating, it minimizes running water noise and dish rattling while resisting scratches, corrosion, and thermal shock.
Technical Specifications
| Technical Property |
Value / Specification |
Notes / Compliance |
| Manufacturer / Brand |
MSI (MS International) |
Kitchen & Bath Specialty Sinks |
| Model Number |
SCO-18-BWL-3218 / SCO 3218 |
Extra-Wide Single Basin Kitchen Sink |
| Material / Construction |
18-Gauge 304 Stainless Steel |
Commercial-Grade Drawn Construction |
| Installation Type |
Undermount |
Flush Countertop Cutout |
| Outer Dimensions |
Approx. 32" W x 18" L (81.3 cm x 45.7 cm) |
Full 32-Inch Footprint |
| Inner Bowl Dimensions |
Approx. 30" W x 16" L x 9" D |
Massive Single Basin Capacity |
| Finish |
Brushed Satin |
Scratch & Water-Spot Masking |
| Drain Opening |
Standard 3.5" Rear-Centered Drain Hole |
Fits Standard Strainers & Disposals |
| Sound Insulation |
Heavy Sound-Dampening Rubber Pads & Spray Undercoating |
Absorbs Drumming & Vibration Noise |
| Recommended Minimum Cabinet Size |
36" Base Cabinet |
Fits Standard 36" Kitchen Base |
Recommended Applications
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Primary Culinary Workstation: Ideal for passionate home chefs needing deep clearance to soak commercial baking sheets, oversized woks, and Dutch ovens without obstruction.
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Open-Concept Kitchen Islands: Provides a clean, modern focal point across expansive kitchen islands and entertainment centers.
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High-Traffic Family Kitchens: Offers maximum basin volume to accommodate high daily dish volume while keeping countertop clutter contained inside the sink.
Installation & Handling Guidelines
⚠️ IMPORTANT: UNDERMOUNT SINK INSTALLATION PROTOCOL
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Countertop Substrate Compatibility: Designed specifically for solid surface materials such as quartz, granite, marble, or quartzite. Not recommended for laminate countertops unless specialized undermount support systems are installed.
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Cutout Template Usage: Always use the physical sink or official MSI SCO 3218 cutout template to trace and fabricate stone countertop openings prior to installation.
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Watertight Fastening: Secure the sink flange to the underside of the countertop using approved undermount mounting clips and brackets. Apply a continuous bead of 100% neutral-cure silicone sealant along the flange edge to guarantee a watertight seal.
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Standard Plumbing Connection: The 3.5-inch drain opening accommodates all standard kitchen basket strainers, pop-up assemblies, and continuous-feed garbage disposals.
Care & Maintenance
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Routine Cleaning: Wash regularly with warm water, mild liquid dish soap, and a soft microfiber cloth or non-abrasive sponge. Always wipe parallel to the brushed satin grain lines.
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Avoid Harsh Chemicals: Do not use steel wool pads, wire brushes, chlorine bleach, or harsh acidic solvents, which can scratch the finish or compromise the steel’s protective oxide layer.
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Preventing Water Spots: Towel dry after heavy use to prevent hard water mineral deposits and spot buildup.
Design Profile
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Aesthetic Inspiration: Commercial Gourmet, Modern Executive, Industrial Loft, Contemporary Farmhouse.
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Visual Advantage: Gentle, rounded interior corners combine a sleek modern look with effortless wiping and cleaning.
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Complementary Finishes: Pairs seamlessly with brushed nickel, stainless steel, or matte black pull-down faucets, light or dark quartz countertops, and natural wood or painted cabinetry.
Frequently Asked Questions
What minimum cabinet size is required for the MSI SCO 3218 sink?
The MSI SCO 3218 undermount sink requires a minimum base cabinet width of 36 inches to allow proper clearance for undermount mounting clips and plumbing hardware.
Can a garbage disposal be installed on the MSI SCO 3218 sink?
Yes. The standard 3.5-inch drain opening accommodates all standard residential garbage disposal flanges and basket strainer assemblies.
What does the "SCO" prefix stand for in MSI sinks?
"SCO" indicates MSI's premium commercial-grade stainless steel collection, designed with heavy sound-dampening insulation and high-grade 304 alloy for residential and commercial kitchen applications.
