Finger jointing is recognized as the most stable method of wood joints in length direction. Totally different from a type of box joint sharing the same name “finger Joint”, is the process of cutting “teeth” or “fingers” into each end of small blocks and gluing the blocks together end-to-end to form one long piece of wood. Finger jointing short pieces of lumber have become an increasingly popular method of reducing wood waste and utilizing shorts to realize maximum profit from the steadily rising cost of raw materials. Finger-jointed material is preferred to solid in many applications because it is less expensive and it can be structurally stronger and more stable. Not sure where and when it was invented, but was introduced to China from Japan in the 90s, when my father was managing a factory that makes finger-joint hardwood flooring for Japanese customers. The flooring is made out of a finger joint and edge-glued board with tongue and groove, the finger joint structure eliminates the stress of wood, so the flooring is stable even with only one layer of solid wood. North American customers slowly accepted products made out of FJ and EG board after sourcing from China since the
