18-Inch Undermount bathroom sink: Perfect Solutions for Commercial Projects
2025-09-25 10:39:52At 18 inches, this size is considered the golden ratio for small bathroom sink design and is highly regarded in the North American market. It is widely applicable to various small-scale commercial projects and offers broader coverage.
The 18-inch undermount bathroom sink helps bulk buyers differentiate their offerings in the North American market by providing more flexible size options. It provides a more spacious solution than the 16-inch model while still saving valuable space.
Advantages of 18-Inch Undermount Bathroom Sinks Compared to 16-Inch Models:
Greater Capacity: With a larger internal volume, the 18-inch sink accommodates more daily essentials, offering both functionality and aesthetic appeal—particularly valuable in commercial settings.
Better Design Balance: Compared to the 16-inch model, the 18-inch sink strikes a superior balance between compactness and comfort, offering greater visual harmony and more convenient usability.
Broader Project Applicability: At 18 inches, this size falls between "small" and "medium," its recognized as the "standard size" for small bathroom sinks. which is more in line with mainstream design trends and suitable for most commercial spaces.
Proudly Presenting Our 5 Best-Selling 18-Inch Undermount Sinks
BMU-1811Overall Size: 21 1/8" x 13 7/8" x 7"
Inner Size: 18 5/8" x 11 3/8"
Color: White and beige
Certificate: cUPC
The flat bottom design offers a clean, modern look while providing a stable surface for placing items. In addition to standard sizes, we also offer ADA-compliant model.
BMU-1812Overall Size: 20 5/8" x 14 3/4" x 8 1/8"
Inner Size: 18 3/8" x 12 1/2"
Color: White, beige, and black
Certificate: cUPC
The radius feature a blend of straight lines and curves, creating a strong sense of design and modern aesthetics. In addition to standard sizes, we also offer models that ADA-compliant.
BMU-1812-2Overall Size: 20 3/4" x 14 1/2" x 6 3/4"
Inner Size: 18 3/4" x 12 3/8"
Color: White
Certificate: cUPC
The square inner wall design provides greater capacity, delivers a strong sense of linear aesthetics, and is suitable for a wide range of applications.
BMU-1813Overall Size: 20 1/2" x 15 1/4" x 7 1/2"
Inner Size: 18 1/4" x 13 1/8"
Color: White and beige
Certificate: cUPC
The fully curved inner walls make cleaning easier, ideal for projects that prioritize usability and low-maintenance design. In addition to standard sizes, we also offer models that ADA-compliant.
BMU-1813-1Overall Size: 20 1/8" x 15 1/8" x 7 1/2"
Inner Size: 18 1/4" x 12 3/4"
Color: White
Certificate: cUPC
The basin features a smooth interior with no prominent lines, ensuring efficient drainage and preventing water accumulation, making it ideal for commercial or high-frequency use.
With nearly two decades of experience as a ceramic sink supplier, Boma leverages advanced manufacturing processes and strict quality control to ensure that every sink meets the highest craftsmanship standards. We offer flexible packaging options (1, 2, or 3 pieces per box) designed to maximize container space and reduce freight costs.
For more information about our 18-inch undermount bathroom sinks, please leave a message using the comment form below, and one of our ceramic sink specialists will respond within 24 hours.
You might also be interested in our article on the 16-inch model, which you can read here: 16-Inch Undermount Sink Models
