• Boules are marketed in categories of specific dimensions that are determined by the width of the central board,
including the sapwood and measured halfway along the length, under bark, without any reductions and freshly
sawn
- Width for grade Q-B A: ≥ 350 mm
- Width for grades Q-B 1, Q-B 2, Q-B 3 and Q-B 4: ≥ 250 mm
- Narrowest width:
• 120 mm, excluding sapwood, for the whole length of the board for grade Q-B A
• 100 mm, excluding sapwood, measured halfway along the board for grade Q-B 1
• 80 mm, excluding sapwood, measured halfway along the board for grade Q-B 2
• 60 mm, excluding sapwood, measured halfway along the board for grades Q-B 3 and Q-B 4