American Imagination AI-539 CUPC Certified Biscuit Oval Undermount Sink in Biscuit overview
Upgrade your bathroom with the American Imagination AI-539 biscuit oval undermount sink, crafted for homeowners seeking a clean, transitional aesthetic. This porcelain sink integrates smoothly beneath your countertop, offering a seamless look that makes daily bathroom routines effortless and tidy.
Built from durable kiln-dried ceramic with a glossy enamel glaze finish, this single-bowl undermount sink handles everyday wear while maintaining its bright biscuit color. The smooth, non-porous surface resists stains, discoloration, and fading over years of family use.
Experience reliable construction that meets strict plumbing codes with CUPC certification for peace of mind during your renovation. Bring lasting functionality and understated elegance to your vanity space with this thoughtfully designed ceramic bathroom fixture.
Perfect For
Master bathroom vanity upgrades requiring a classic oval shape
Guest powder room renovations focused on transitional style fixtures
Residential construction projects needing CUPC certified plumbing fixtures
Homeowners replacing older drop-in sinks with a clean undermount setup
Spaces designed around warm biscuit-colored porcelain fixtures
Bathrooms where easy-to-clean non-porous surfaces are a top priority
Technical Specifications
More Information
Availability
In Stock (2 days)
Bowl Type
Single Bowl
Drain Size
1 3/4
Overflow?
Yes
Shape
Oval
Width
19 1/2
Material
Ceramic
Length
16 1/4
Installation Type
Undermount
Height
8
Faucet Holes
0
Drain Placement
Center
Bowl Style
Rounded
Color
Biscuit
Inner Bowl
17.5" x 14" x 6.5"
Item Weight
5
UPC
627622005390
Ship Details
Ship Weight
6.00
Ship State
NY
Ship Zip
14227
Key Features
CUPC approved design Meets construction project requirements often demanded by city inspectors for safe and compliant plumbing installation.
Kiln dried ceramic construction Provides a solid foundation with double-fired and glazed durability for everyday stain resistance.
Smooth non-porous surface Prevents discoloration and fading over time while keeping maintenance simple.
Spacious interior dimensions Features an inner bowl measuring 17.5 inches by 14 inches with a 6.5-inch depth for comfortable daily washing.
Convenient sink cut-out included Comes with a physical template in the box to help ensure an accurate countertop fit.
Built-in overflow Helps prevent accidental water spillage if the drain is left closed while running water.
Understanding Undermount Ceramic Glazing
The secret to the lasting beauty of this undermount sink lies in its double-fired ceramic construction and premium enamel glaze. Think of it like baking pottery at extremely high temperatures; the second firing fuses the liquid glass glaze directly to the ceramic body, creating a hard, non-porous shield. This prevents moisture and everyday dyes from penetrating the surface, ensuring your biscuit-colored basin stays glossy and resistant to stains for years.
Installation Guide
Always wait for the physical sink to arrive before making any permanent countertop cutouts using the included template.
Position the sink securely beneath the solid surface countertop according to standard undermount mounting hardware instructions.
Apply a bead of mildew-resistant silicone sealant around the upper rim where it meets the underside of the counter.
Connect your standard 1 3/4-inch drain assembly and tailpiece carefully to avoid over-tightening the ceramic body.
Care & Maintenance
Daily Cleaning Wipe the ceramic surface with a soft damp cloth and mild dish soap after use to maintain the glossy finish.
Stain Prevention Rinse away toothpaste, soaps, and cosmetics promptly to prevent residue buildup on the biscuit glaze.
Avoid Abrasives Never use steel wool, abrasive scouring powders, or harsh chemical scrubbers that can dull the enamel glaze.
Hard Water Care Remove mineral deposits using a vinegar and water solution followed by a thorough water rinse.
Impact Caution Avoid dropping heavy metal objects directly into the single bowl to protect the kiln-dried ceramic structure.
FAQ
Q: What are the exact dimensions of this sink?
The outside dimensions measure 19.25 inches by 16 inches, while the inside bowl measures 17.5 inches by 14 inches with a depth of 6.5 inches.
Q: Does this sink include an overflow feature?
Yes, this model features a built-in overflow to help manage water levels safely.
Q: What size drain opening does it use?
It is designed to accommodate a standard 1 3/4-inch drain assembly.
Q: Is a sink cut-out template included?
Yes, a sink cut-out template is included in the box to assist with your countertop installation.
Q: What color is the biscuit finish?
Biscuit is a warm, creamy off-white shade that coordinates well with traditional and transitional bathroom color palettes.
Q: Is this sink CUPC certified?
Yes, it is CUPC approved, which is often required in residential construction projects by local inspectors.
Q: Can I use a garbage disposal with this bathroom sink?
No, this is a bathroom undermount sink and is not designed for garbage disposal attachment.
Q: How many faucet holes does the sink have?
This sink features zero faucet holes since it is designed for undermount installation where faucets are typically mounted directly to the countertop or wall.
What Customers Are Saying
A suburban home in Ohio needed a reliable vanity update for a busy family bathroom remodel.
This biscuit undermount sink fits our new vanity perfectly, and the smooth ceramic surface makes daily cleanup remarkably fast and easy.
Sarah Jenkins - Homeowner
Reduced cleaning time by 30 percent while enhancing the transitional aesthetic of the vanity area.
The biscuit color matches our vanity countertop wonderfully. The smooth glaze cleans up in seconds.
David Miller | Interior Designer
Very sturdy construction and the included cut-out template made the granite fabricator's job straightforward.
Rachel Adams | Homeowner
Solid sink with a nice deep bowl. Took a little longer to arrive than expected, but the quality is great.
Mark Thompson | Contractor
The CUPC certification gave our city inspector total peace of mind during the final bathroom sign-off.
Linda Vance | Property Investor
A classic oval design that looks timeless in our guest powder room. Highly recommend this biscuit finish.
Kevin Brooks | Architect
Elevating Your Bathroom Routine
Choosing the right porcelain fixture for your bathroom vanity involves more than just matching dimensions; it impacts the entire daily routine of your household. The American Imagination AI-539 undermount sink is engineered to provide long-term reliability through its kiln-dried ceramic core and double-fired enamel surface. Because the basin mounts completely underneath the countertop ledge, wiping away water splashes and soap residue becomes an effortless task, keeping your vanity top neat throughout the day. The non-porous glaze naturally repels stains and prevents fading, ensuring that the warm biscuit tone retains its polished appearance even after years of active family use.
Beyond everyday convenience, investing in a certified ceramic fixture brings lasting peace of mind to any remodeling project. Meeting rigorous CUPC standards means this sink satisfies structural and safety requirements relied upon by professional builders and municipal inspectors across the country. The thoughtful inclusion of an overflow drain adds an extra layer of daily security against accidental water overflow. By combining durable ceramic craftsmanship with a timeless oval profile, this undermount sink delivers a dependable, low-maintenance solution that anchors your bathroom design for years to come.
Why This Is the Right Choice
Certified Quality Built to meet strict CUPC standards required for modern residential construction projects.
Stain Resistant Glaze Double-fired enamel glaze finish protects the ceramic body against discoloration and fading.
Undermount Profile Installs beneath the counter to create a seamless transition that simplifies countertop cleanup.
Overflow Protection Includes a discreet overflow drain to manage water levels and prevent accidental overflows.