Black Walnut Dimensional Lumber

Walnut wood boasts of luxurious beauty and incredible workability. It is an excellent choice for making fine furniture, tabletops, bar countertops, and much more.  At North Castle Hardwoods, we offer superior evenly colored premium black walnut lumber, perfect for any project.


All About Our Dimensional Walnut Lumber

Black walnut wood is known for its warm, rich color that can range from medium chocolate to dark seal brown. Black walnut has a fine grain that might include lovely figure pattern. We like to call it the King of Hardwoods. 


Black walnut is a very stable wood. Your finished walnut products won’t warp or shrink much compared to items made from other hardwoods. This stability makes black walnut a delight to work with, whether you’re using power tools or hand tools. 

Other Names for Walnut Wood

You may see black walnut wood called eastern black walnut or American walnut or by the species name Juglans nigra. Weighing about 3.3 pounds per board foot, black walnut has medium weight and density and excellent impact resistance. Its Janka hardness rating is 1010.

Common Uses for Walnut Lumber

Although dimensional walnut lumber takes stress well, it’s important to keep in mind that it is not as hard as oak or ash. This doesn’t mean you can’t make incredible works with dimensional walnut lumber.  Walnut is one of the most desirable non-exotic woods, especially for home furniture. 


Great uses of dimensional walnut wood include:


  • Furniture – Walnut creates stunning tabletops, dressers, chairs, and headboards. 
  • Cabinetry – Including both kitchen cabinets and bathroom vanities.
  • Millwork – Walnut is suitable for millwork applications such as moldings, trim, and wainscoting, adding a touch of luxury to interior spaces.
  • Wood carving – This wood’s stability means it’s great for intricate carving and detailed woodworking projects.
  • Boatbuilding – Although less common today, black walnut was traditionally used in marine applications because of its rot resistance. Today it is often used to create contrasting interior colors on yachts.
  • Steam Bending – It’s also one of the best woods for steam bending!


Tips for Working With Black Walnut Lumber

American walnut responds extremely well to stains and finishes.  We suggest opting for an oil finish to enhance the natural beauty of walnut wood’s grain and color. If exposed to sunlight, the color of the wood may gradually lighten in color.  To mitigate or prevent this color shift in your projects, use a polyurethane finish with UV protection.


Where We Source Our Walnut - The North Castle Hardwoods Difference

At North Castle Hardwoods, we’ve spent 35 years fine-tuning a custom grading system for our black walnut and other premium hardwood species. Our hardwood lumber is harvested by trained foresters and loggers committed to sustainability. Our commitment to responsible forest management means our forests show a net increase in timber volume year after year.


Our custom grades – always a notch or two higher than the industry standards –  are designed to give woodworkers, furniture makers, and craftsmen wonderful wood with high yields, minimal defects, and consistent performance.

Walnut Wood Boards, Dimensioned Lumber, and Thick Stock

At North Castle Hardwoods, we offer our premium black walnut boards in a variety of sizes to match your project needs.


You can buy our precision-dried walnut wood in 6/4, 5/4 and 4/4 thicknesses. We also are one of the only places you can buy premium-grade walnut thin stock.


We offer all our standard, thick stock, and thin stock walnut lumber dimensioned to widths ranging from 3” to 6.5” and lengths ranging from 18” to 48”. No matter what your project needs, you can find them here.  


Our premium black walnut is also available in lumber packs. Contact us for a custom quote.

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4/4 walnut lumber stacked
Species: WALNUT
Type: Dimensional Lumber
Thickness: 4/4" Walnut
Width: 2.5", 3", 3.5", 4", 4.5", 5", 5.5", 6", 6.5"
Length: 18", 24", 30", 36", 42", 48"
 
5/4 Walnut Lumber
Species: WALNUT
Type: Dimensional Lumber
Thickness: 5/4" Walnut
Width: 2.5", 3", 3.5", 4", 4.5", 5", 5.5", 6", 6.5"
Length: 18", 24", 30", 36", 42", 48"
 
6/4 Walnut Lumber
Species: WALNUT
Type: Dimensional Lumber
Thickness: 6/4" Walnut
Width: 2.5", 3", 3.5", 4", 4.5", 5", 5.5", 6", 6.5"
Length: 18", 24", 30", 36", 42", 48"