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This John Boos R-Board Collection cutting board brings American black walnut to a generous 18 by 12 inch work surface, giving cooks and professional kitchens a dense, stable prep platform that handles knives confidently.
Walnut is a practical choice for a primary cutting board. Its grain structure is dense enough to resist deep scarring under daily knife use, and the natural color of walnut hides staining better than lighter-toned hardwoods. The 18 inch depth gives real estate for handling a full rack of ribs, a large fish fillet, or a spread of vegetables that would crowd a smaller board. In a commercial prep kitchen or a custom home kitchen built around serious cooking, this is the board that stays on the counter rather than getting swapped out for a larger one mid-task.
John Boos has built cutting boards in the United States since 1887, and the R-Board Collection reflects that production background. The WAL-R01 is solid American black walnut, not a veneer or laminated composite, cut to 1-1/2 inches thick. That thickness matters for stability: a thinner board can shift and rock under pressure, while a board with this much mass sits flat and absorbs the force of a heavy cleaver or a rocking knife stroke. The walnut surface benefits from periodic oiling to maintain moisture balance and surface integrity; finish the board with a food-contact-appropriate board oil before first use and reapply as needed.
This size suits a designer specifying a kitchen package for a high-end residential remodel, a cabinet shop sourcing boards to complete a kitchen accessory program, or a home cook who treats their tools as a long-term investment. At 18 by 12 inches and 1-1/2 inches thick, it is substantial enough to anchor a prep station but still stores flat in a deep drawer or on a shelf when not in use. For shops building or outfitting custom kitchens, walnut is a natural pairing with dark cabinet finishes and black hardware specifications.
Walnut is slightly softer than hard maple, which many cooks prefer because it is gentler on knife edges over time. The darker grain also masks staining from foods like beets and berries better than lighter wood. Maple offers a harder surface and a brighter aesthetic; walnut trades some hardness for knife friendliness and a richer visual tone.
Yes. Apply a food-contact-appropriate board oil before the first use to condition the wood and help seal the surface. Reapply periodically as the board dries out with regular washing.
The source data does not specify the grain orientation for this SKU. Contact us before ordering if grain construction is a specification requirement for your project.
Solid wood cutting boards are not dishwasher safe. Hand wash and dry promptly to protect the wood and maintain the board over time.
The John Boos WAL-R01 delivers a full-size, 1-1/2 inch thick walnut prep surface for kitchens where the cutting board is used hard and expected to last.
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