For proper application of materials, knowledge about the material’s properties is required, and to do so it is essential to determine its elastic constants (longitudinal modulus of elasticity in different directions, tangential modulus of elasticity in different planes and Poisson’s ratio). However, the determination of properties by conventional test methods is extremely complex, expensive and laborious, which hinders the access to complete data. Therefore, we use ultrasound wave propagation to characterize materials. This technique is already well-established in the field of mettalic materials and it has been advancing in the characterization of other materials, such as wood, concrete, rocks, composites etc., which is also the case of products made from trees and other pla