1. Square-edged lumber usually of timber size; softwoods are at least 4 by 12 in. (10.2 to 30.5 cm), and hardwoods at least 4 1 €2 in. (11.5 cm) thick.
2.Timber from which dimension lumber is cut; maximum waste is left at the mill.
1. Square-edged lumber usually of timber size; softwoods are at least 4 by 12 in. (10.2 to 30.5 cm), and hardwoods at least 4 1 €2 in. (11.5 cm) thick.
2.Timber from which dimension lumber is cut; maximum waste is left at the mill.