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Rubner structural finger jointed solid timber is a homogenized unidirectional wood-based material that is used in engineered structural timber constructions as well as in residential and office buildings. Rubner structural finger jointed solid timber consists of single squared structured timber made from softwood according to /EN 1912/. The single structural timber components with rectangular cross section are arranged longitudinally by means of finger joints to achieve a rigid interconnected structural timber with rectangular cross section with theoretically infinite length. Due to its longitudinal assembling characteristics combined with the technically supported strength and stiffness classification of the raw materials, Rubner structural finger jointed solid timber is characterized by a high product quality. As a result of the industrial manufacturing process, Rubner structural finger jointed solid timber exhibits steady mechanical characteristics. Rubner structural finger jointed solid timber has a high dimensional stability and can be characterized as a largely crack-minimized building material.