Industry Terms and Definitions

Below you can find a glossary of terms related to the lumber and timber industry to help you better understand SPTP’s products and services and how they can benefit your organization. 

KDAT

Kiln dried after treatment; treated lumber that has been seasoned in a kiln to a predetermined moisture content following the treating process

Kerf

The width of a saw cut; this portion of a log is lost as waste when it is sawn for lumber, although the residue can be used as fuel or for other purposes; the size of a kerf is dependent on saw thickness, saw type, sharpness and other factors

Kiln

A chamber in which wood products are seasoned by applying heat and withdrawing air

Kiln charge

One full load for a kiln; the amount of lumber processed in a kiln

Kiln dried

Lumber that has been seasoned in a kiln to a predetermined moisture content

Kiln stick

A 1 X 1 1/4 piece used between layers of wood to improve air circulation within the bundle

Knot

A branch or limb embedded in a tree and cut through in the process of manufacturing; knots are classified according to size, quality, and occurrence