Trough 4819 Bathroom Sink in Pearl (NSL4819-P)
Trough 4819 Bathroom Sink in Pearl (NSL4819-P) Trough 4819 Bathroom Sink in Ash (NSL4819-A) Trough 4819 Bathroom Sink in Slate (NSL4819-S) Trough 4819 Bathroom Sink in Pearl (NSL4819-P) Trough 4819 Bathroom Sink in Ash (NSL4819-A)

Trough 4819

48" Double Basin NativeStone® Bathroom Sink

  •   Ash
  •   Slate
  •   Pearl

Product #NSL4819

Perfect for sharing. While Trough 4819 is the ideal size for larger bathrooms - with plenty of room for group wash-ups - you may find yourself seeking alone time just to delight in this concrete trough sink's distinctive mottled coloration and cherish its Handcrafted beauty.


Award-winning Trough 4819 concrete bathroom sink is handcrafted of NativeStone® an innovative, remarkably strong blend of cement and jute fiber that is surprisingly lightweight for concrete, extraordinarily heavy-duty in the bathroom and refreshingly easy when it comes to clean-up. Available in three finishes: Ash, Slate and Pearl.


Trough 4819 has received several honors: Green GOOD Design award 2015; Design Journal and Archinterious Best Products of 2014; Interior Design Best of the Year award finalist 2014; KB+B Product Innovator Awards Honorable Mention 2014.



  • 48" x 14" rectangular double basin with vertical sides.
  • Mounting kit not included.
  • Drains sold seperately.
  • Single faucet hole.
  • 5.5-inch depth.
  • UPC/cUPc and ADA Compliant.
  • Crack, stain and scratch resistant.
  • Limited lifetime warranty includes against defects.



  • NativeStone® lightweight concrete.



  • Drop-in.
  • Undermount.


Coordinating products


Care & Maintenance Use mild, non-abrasive soap and cleaners. Avoid abrasive cleaners. In the unlikely event of slight surface staining, the stain will fade and disappear within a few days. Wipe or rinse sink after use for best results.





  • • 48" x 19" x 5" OD
  • • 44" x 12" x 4"ID



  • • Drop-in or undermount installation
  • • A breakthrough combination of natural jute fiber and cement
  • • 40% lighter than standard concrete
  • • State-of-the-art nano sealer binds with the molecules in the concrete
  • • Extraordinarily crack, stain and scratch resistant
  • • UPC/cUPC compliant


Important: Due to the handcrafted nature of this product, it will vary in finish, texture, and other details. Dimensions may vary up to 1/4" (6mm). We recommend waiting for the actual product before making installation cuts.

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