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The timber, slab, milling, and forestry glossary — Big Black Walnuts timber capability

Timber reference library

The timber, slab, milling, and forestry glossary.

Clear definitions for the terms timber buyers, landowners, sawyers, kiln operators, mills, builders, manufacturers, designers, and commercial supply teams use.

Black Walnutflagship timber specialty
Any Scaleone slab to truckloads
Nationwidesourcing & freight
B

Board foot

A volume equal to a board 12 inches wide, 12 inches long, and 1 inch thick.

B

Bookmatch

Two sequentially cut boards opened like a book to create mirrored grain.

C

Case hardening

Drying stress where the outer shell and core hold opposing tension.

C

Check

A separation along the grain, commonly beginning at an end or surface during drying.

C

Crotch figure

Feathered grain formed where a trunk divides into major limbs.

E

Equilibrium moisture content

The moisture level wood approaches in a given temperature and humidity.

F

FAS

A high NHLA lumber grade based on the size and yield of clear cuttings.

F

Figure

Visible pattern created by grain, growth, cut, genetics, stress, or biological activity.

F

Flitch

A group of sequential boards cut from the same log and kept in order.

H

Honeycombing

Internal checks caused by overly aggressive or uneven drying.

L

Live edge

A board or slab retaining the natural outer contour of the log.

Q

Quarter sawn

Boards oriented to expose straighter grain and ray figure with improved dimensional behavior.

R

Rift sawn

Boards cut for highly consistent straight grain with minimal ray fleck.

S

S2S / S3S / S4S

Surfaced on two, three, or four sides.

S

Spalting

Pigmentation or zone lines created by fungal activity, acceptable only while structure remains sound.

S

Sticker

A dry spacer placed between lumber courses to allow airflow during drying.

Questions, answered

What to know about timber reference library.

Can your team source timber that is not shown online?+

Yes. Current online inventory is only one supply path. Submit species, exact dimensions, timber format, quantity, drying, surface, matching, budget, destination, and timeline for nationwide sourcing.

Can you supply one slab, bulk quantities, or recurring orders?+

Yes. Requests can range from a single live-edge slab to matched sets, bundled inventory, logs, sawlogs, custom-cut timber, project packages, recurring orders, and truckload quantities.

What processing and freight options can be specified?+

Buyers can request green, air-dried, or kiln-dried timber; rough-sawn or surfaced stock; flattening, ripping, cut-to-length work, repeated dimensions, and freight planning appropriate to the shipment.