16. Dimensional Lumber 5 Definitions and Diagrams: Parallel-Grained Lumber The fibers run parallel to the axis of the lumber. Grain The direction, size, appearance, or quality of the fibers in wood or lumber Cross-Grained Lumber The fibers may run either diagonal or spiral grain or a combination of the two.
33. Dimensional Lumber What isthe moisture contentof dry and green lumber? 10 MOISTURE CONTENT MC = water weight in wood = % dry wood Dry Lumber 19% Green Lumber
34. Dimensional Lumber What typical preservatives are used to treat lumber for outdoor usage? 11 Water-Bourne Surface clean Low or odor free Oil-Bourne Significant odor Water resistant Products Sadolin K-33 ® CCA Penofin Linseed oil