Available Slabs for Sale

Discover Grade Timber’s collection of premium walnut slabs, carefully sourced and processed from our slab yards in Illinois.

At Grade Timber, we pride ourselves on offering high-quality walnut slabs sourced sustainably from our operations across Central and Southern Illinois, including Cass, Jefferson, Macon, Madison, McLean, Morgan, Pike, and Sangamon Counties. Our walnut slabs are perfect for craftsmen, furniture makers, designers, and DIY enthusiasts looking to create stunning, one-of-a-kind pieces. Known for their rich, dark chocolate tones, intricate grain patterns, and exceptional durability, these slabs bring natural beauty and elegance to any project—whether it's a live-edge dining table, custom countertop, shelving, or artistic installation.

  • A ruler and a bright orange object, likely a tool, measure a gap in a brown structure over straw.

    Slab 1

    Write your caption here
    Button
  • A measuring stick leaning against a large metal object in a dimly lit space with straw.

    Slide title

    Write your caption here
    Button
  • A measuring tape is held near a brown log-like structure and orange rod in a setting with straw and dark ground.

    Slide title

    Write your caption here
    Button
  • Dark wooden planks stacked, with a split and wood supports, in a dimly lit setting.

    Slab 2

    Write your caption here
    Button
  • A person holds a white measuring tape near a dark brown wooden structure with hay in the background.

    Slab 2

    Write your caption here
    Button
  • A weathered wooden beam rests on hay in a barn.

    slab 2

    Write your caption here
    Button
  • A wooden plank with a measuring tape next to it, showing the height.

    Slab 2

    Write your caption here
    Button
  • Wooden beam being measured with a ruler against a backdrop of hay and dirt.

    Slab 3

    Write your caption here
    Button
  • A ruler measuring a gap between two weathered wooden planks in a dim setting.

    Slab 3

    Write your caption here
    Button
  • A wooden ruler next to a brown surface, possibly measuring it. Dark setting.

    Slab 3

    Write your caption here
    Button
  • Brown slab of wood with tape measure along length, sitting in a dark, earthy setting.

    Slab 3

    Write your caption here
    Button
  • Two long wooden planks with live edges, a yellow tape measure runs the length.

    Slab 4

    Write your caption here
    Button
  • A measuring stick leaning against a large metal object in a dimly lit space with straw.

    Slab 4

    Write your caption here
    Button
  • A measuring tape is held near a brown log-like structure and orange rod in a setting with straw and dark ground.

    Slab 4

    Write your caption here
    Button
  • A wooden plank with a measuring tape laid across it, on a dirt floor.

    Slab 4

    Write your caption here
    Button
  • Hand using a ruler to measure the depth of dark, granular material. Wooden surface and machinery in the background.

    Slab 4

    Write your caption here
    Button
  • Hand holding a ruler, measuring a brown, wooden surface. The measurement is about 1/2 inch.

    Slab 4

    Write your caption here
    Button
  • Two long wooden planks with live edges, a yellow tape measure runs the length.

    Slab 4

    Write your caption here
    Button
  • Hand holding a ruler, measuring a brown surface, likely a ledge or step, outdoors at night.

    Slab 5

    Write your caption here
    Button
  • Hand measuring thickness of a wooden plank with a ruler in a dimly lit setting.

    Slab 5

    Write your caption here
    Button
  • Tape measure next to a dark, wooden board showing grain.

    Slab 5

    Write your caption here
    Button
  • Dark, rectangular slab with a tape measure across it. The slab is weathered, likely metal.

    Slab 5

    Write your caption here
    Button
  • Hand holding a ruler measuring the thickness of a wooden slab in a dimly lit enclosure.

    Slab 5

    Write your caption here
    Button
  • Large slab of dark wood with a yellow measuring tape running down the center.

    Slab 5

    Write your caption here
    Button
  • Wooden beam being measured with a ruler against a backdrop of hay and dirt.

    Slab 6

    Write your caption here
    Button
  • Brown slab of wood with tape measure along length, sitting in a dark, earthy setting.

    Slab 6

    Write your caption here
    Button
  • Hand holding ruler, measuring distance between wooden beams in a dim, earthy-toned space with metal sheeting.

    Slab 6

    Write your caption here
    Button
  • Wooden slab, measuring tape held by hand, measuring length.

    Slab 6

    Write your caption here
    Button
  • A dark wood slab with swirling grain, a yellow tape measure stretches across it, showing measurements.

    Slab 6

    Write your caption here
    Button
  • Yellow tape measure measuring a dark-colored wooden surface.

    Slab 6

    Write your caption here
    Button
  • Tape measure against a dark wooden board, measuring its length in an indoor setting.

    Slab 6

    Write your caption here
    Button
  • Large, dark-colored wood slab with yellow tape measure running down the center.

    Slab 6

    Write your caption here
    Button
  • A dark brown wooden slab with a ruler laid across it, a can of spray adhesive is nearby.

    Slab 8

    Write your caption here
    Button
  • Hand holding a ruler next to stacked dark wooden planks with a crack, in a dim setting.

    Slab 8

    Write your caption here
    Button
  • A wooden slab with a measuring tape laid across it, showing dark brown wood grain.

    Slide title

    Write your caption here
    Button
  • A hand holds a ruler to measure the thickness of a large, brown wooden slab with a rough edge.

    Slab 8

    Write your caption here
    Button
  • Person measuring the thickness of two wooden planks with a ruler.

    Slab 8

    Write your caption here
    Button
  • Wooden planks with a yellow tape measure laid across them.

    Slide title

    Write your caption here
    Button
  • Wooden plank with a measuring tape laid across it.

    Slab 8

    Write your caption here
    Button
  • A ruler held over a wooden surface, showing a measurement of approximately 1 inch.

    Slab 9

    Write your caption here
    Button
  • Person measuring a wooden surface with a ruler.

    Slab 9

    Write your caption here
    Button
  • Large dark wood slab with a yellow tape measure running along its length.

    Slab 9

    Write your caption here
    Button
  • A wooden slab with a measuring tape placed vertically, on a concrete surface.

    Slab 9

    Write your caption here
    Button
  • Large, dark, rough-hewn wooden beam with measuring tape along the side.

    Slab 10

    Write your caption here
    Button
  • Stack of rough-cut wood planks with live edges, dark brown in color, stored against a concrete wall.

    Slab 11

    Write your caption here
    Button
  • A dark wood slab with a yellow tape measure stretched vertically across it.

    Slab 11

    Write your caption here
    Button
  • Measuring the thickness of stacked wooden planks with a ruler in a dim, rustic setting.

    Slab 12

    Write your caption here
    Button
  • A hand measuring the thickness of a wooden plank with a log scale ruler in a workshop.

    Slab 12

    Write your caption here
    Button
  • Two dark wood slabs with live edges, a yellow tape measure laid lengthwise.

    Slab 12

    Write your caption here
    Button
  • A dark wood slab with a measuring tape laid across it.

    Slab 12

    Write your caption here
    Button
  • A person measures the thickness of a thick, rough-edged wood slab with a ruler.

    Slab 12

    Write your caption here
    Button
  • Dark brown wood slab with live edge, lying flat.

    Slide title

    Write your caption here
    Button
  • Wooden planks stacked with a measuring tape across the bottom one.

    Slab 13

    Write your caption here
    Button
  • Hand measuring the thickness of a wooden board with a ruler.

    Slab 14

    Write your caption here
    Button
  • Wooden planks with a measuring tape laid across them.

    Slide title

    Write your caption here
    Button
  • Dark wood slab with a yellow tape measure running along its length.

    Slab 14

    Write your caption here
    Button
  • Yellow tape measure on a dark, debris-covered surface; showing length measurement.

    Slide title

    Write your caption here
    Button
  • A wooden plank with a measuring tape placed vertically along its surface.

    Slab 14

    Write your caption here
    Button
  • A long, wide, rough-edged walnut wood slab with a yellow tape measure running its length.

    Slab 15

    Write your caption here
    Button
  • A hand holding a yellow tape measure against a weathered wooden board, outdoors.

    Slab 15

    Write your caption here
    Button
  • A dark, wooden plank with a ruler beside it, measuring approximately 30 inches.

    Slab 15

    Write your caption here
    Button
  • A hand holds a Doyle log scale ruler, measuring the edge of a wood board.

    Slab 15

    Write your caption here
    Button
  • Dark wood slab with live edge, lying in a dimly lit space.

    Slab 16

    Write your caption here
    Button
  • A measuring tape next to a thick, rough-edged piece of wood, possibly a slab, indoors.

    Slab 16

    Write your caption here
    Button
  • Hand holding ruler measuring thickness of a brown wooden board. Sawdust covers the floor.

    Slab 16

    Write your caption here
    Button
  • Dark wood slab with a yellow tape measure, likely in a lumber yard.

    Slab 17

    Write your caption here
    Button
  • Dark wood slab with a ruler laid across it, resting on a dusty surface.

    Slab 17

    Write your caption here
    Button
  • Hand holding a ruler, measuring the thickness of a wooden board, in a workshop setting.

    Slab 17

    Write your caption here
    Button
  • A long, dark wood slab with a yellow measuring tape running down its length.

    Slab 18

    Write your caption here
    Button
  • A hand holding a yellow tape measure against a dark wooden board.

    Slab 18

    Write your caption here
    Button
  • Wooden slab with live edge, brown with visible wood grain, measuring tape alongside.

    Slide title

    Write your caption here
    Button
  • Hand holding a ruler, measuring the thickness of a wooden plank with a visible cut line.

    Slab 18

    Write your caption here
    Button
  • Person measuring the thickness of a wood plank with a Lufkin ruler; showing about 1 1/2 inches.

    Slab 19

    Write your caption here
    Button
  • Tape measure on a dark wood slab, showing measurements.

    Slab 19

    Write your caption here
    Button
  • Two dark-colored wood slabs with live edges, a yellow tape measure laid across the first slab.

    Slab 19

    Write your caption here
    Button
  • Dark wood slab with a light-colored live edge, lying on a dark surface.

    Slab 20

    Write your caption here
    Button
  • Wooden planks stacked, showing varying shades of brown. A ruler is laid vertically alongside.

    Slab 20

    Write your caption here
    Button
  • Hand holding ruler measuring the thickness of wooden planks.

    Slab 20

    Write your caption here
    Button
  • Stack of dark wood planks with lighter edges, outdoors.

    Slab 21

    Write your caption here
    Button
  • A large, gray wooden plank with a yellow tape measure, likely in a lumberyard.

    Slab 22

    Write your caption here
    Button
  • Raw, dark wood slabs stacked, possibly for furniture, inside a dimly lit structure.

    Slab 23

    Write your caption here
    Button
  • A large, dark wooden plank with a yellow tape measure running its length.

    Slab 24

    Write your caption here
    Button
  • A long, dark brown live edge wood slab with a yellow measuring tape laid across it.

    Slab 25

    Write your caption here
    Button
  • Two rough-sawn wood planks, one with a yellow tape measure, and a white ruler on a rough wooden surface.

    Slab 26

    Write your caption here
    Button
  • Wooden plank, partially visible, with a measuring tape placed alongside. Brown color.

    Slab 26

    Write your caption here
    Button
  • Wooden slab with a yellow measuring tape running its length.

    Slab 27

    Write your caption here
    Button
  • Dark wooden slab with natural edge.

    Slab 28

    Write your caption here
    Button
  • Hand holding a ruler measuring the thickness of a wooden plank.

    Slab 28

    Write your caption here
    Button
  • A long, brown wooden slab with a yellow measuring tape running down its length.

    Slide title

    Write your caption here
    Button
  • Long, unfinished wooden plank with natural edge, light brown color.

    Slab 30

    Write your caption here
    Button
  • Long, rough-edged wooden slab, possibly a table top, in a workshop setting.

    Slab 31

    Write your caption here
    Button

Why Choose Grade Timber Walnut Slabs?

  • Superior Quality and Sourcing: Harvested from mature black walnut trees in Illinois' fertile woodlands, our slabs are carefully selected for minimal defects, ensuring clear, straight grains and vibrant color variations. We adhere to sustainable logging practices as certified Master Loggers, preserving the environment while delivering premium materials.
  • Versatile Applications: Ideal for high-end furniture, architectural millwork, bar tops, mantels, and more. Each slab retains natural live edges for a rustic yet sophisticated look, or can be customized with straight edges upon request.
  • Sizes and Specifications: Available in a range of dimensions to suit your needs:
  • Thickness: 2" to 4" (kiln-dried for stability)
  • Width: 20" to 48" (average, with some wider statement pieces)
  • Length: 6' to 12' (custom lengths available)
  • Grades: Select (minimal knots, premium grain), Character (natural imperfections for unique appeal), and Rustic (bold features like burls and figured patterns)
  • Finishing Options: Slabs come sanded and ready for your preferred finish, or we can provide finishing services including epoxy filling, oiling, or varnishing for an additional fee.
  • Competitive Pricing: Priced per board foot based on size, grade, and features—starting at $10 per board foot for rustic grades. Volume discounts available for bulk purchases.
Pile of cut logs, showing the ends with concentric rings. Wood is light brown with dark bark.

How to Purchase Walnut Slabs

Live log inspections offer unmatched transparency and confidence:

  • Browse Our Inventory: Visit our sawmill in Alton, IL, for in-person inspections, or request high-resolution photos and details via email.
  • Get a Quote: Fill out the form below with your desired specifications (size, grade, quantity), and we'll provide a personalized quote within 24-48 hours, including shipping options.
  • Shipping and Delivery: We ship domestically and internationally, with secure crating to prevent damage. Local pickup available for Illinois customers.
  • Payment and Guarantees: Secure payments via credit card, wire transfer, or check. All slabs come with a satisfaction guarantee—returns accepted within 30 days if not as described.

Ready to elevate your next project with premium walnut slabs? Contact us today to discuss your needs or schedule a viewing.

Contact Information

Phone: (309) 472-7867

Email: info@gradetimber.com

  • Location: Serving Cass, Jefferson, Macon, Madison, McLean, Morgan, Pike, Sangamon Counties, and beyond from our Alton, IL sawmill.

Contact Us

© 2025 Grade Timber. All rights reserved.