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.
Hammermark
(Hammerbrand) A mark on a log or timber that identifies the owner; a brand
Heart wood
The portion of the tree contained within the sapwood; this term is sometimes used to mean the pith; the heartwood is dormant and unnecessary for the tree's continued life; the living part of the tree is contained in its outer parts
Heavy dimension
A term sometimes used to describe squares and timbers four inches in thickness, such as 4 X 4, 4 X 6
Heavy timber
Rough or surfaced pieces having a smallest dimension of at least 5 inches
High temperature drying
A method of drying lumber using a dry bulb temperature in excess of 212 degrees F
Hit and miss
A series of surfaced areas with skips not over 1/16 inch scant between them
