The expansion and contraction of ____ lumber is over its thickness rather than across its width.

Question

Quizplus · Accepted Answer

Quartersawn lumber is cut in a way that the growth rings are at a 90-degree angle to the board's face, resulting in the expansion and contraction occurring over its thickness rather than width. Plainsawn and handsawn lumber have growth rings at an angle to the face, which results in more expansion and contraction across the width. Halfsawn lumber is not a commonly used term in the lumber industry.

The Expansion and Contraction of ____ Lumber Is Over Its