A traditional mill term for rough-sawn boards cut to a nominal thickness of one inch before any planing or surfacing. In standard lumber sizing, this is equivalent to four-quarter stock. Once dried and surfaced on two sides, it yields a finished thickness of about three-quarters of an inch.
Heard on the job
I need a stack of that inch stuff to run through the planer for the drawer boxes.
Insider tip
When buying rough lumber, always assume inch stuff will only give you a clean 3/4-inch board after jointing and planing.
Also heard as
- 4/4 lumber
- four-quarter stock