Occurence of shake in oak (Quercus spp.) and its effect on flooring top-layer quality

Oak (Quercus spp.) is generally preferred wood species as surface material in flooring products realization. The presence of defects such as cracks limits the utilization of the raw material and ultimately, limits the competitiveness of wood in the flooring market when compared to other materials. The objective of this study was to develop the theoretical aspects for crack-type identification based on the appearance of the sawn top-layer lamellas and evaluate the influence of crack occurrence on the quality of flooring top-lamellas. The results of this study provide an insight for crack-type identification on the surface of oak (Quercus spp.) flooring top-lamellas and wood quality optimisation aspects.