Cross-laminated timber
Wood panel product made from solid-sawn lumber
Cross-laminated timber
Cross-laminated timber (CLT) is a subcategory of engineered wood panel product made from gluing together at least three layers of solid-sawn lumber at angles to each other. It is similar to plywood but with distinctively thicker laminations (or lamellae). CLT was first used in a building in the 90's. Circular-CLT (C-CLT) was first used in a building, The Urban Woods in the Netherlands, in 2024. The grain of each layer of boards is usually rotated 90 degrees from that of adjacent layers and glued on the wide faces of each board, usually in a symmetric way so that the outer layers have the same orientation. An odd number of layers is most common, but there are configurations with even numbers as well (which are then arranged to give a symmetric configuration). Regular timber is an anisotropic material, meaning that the physical properties change depending on the direction at which the force is applied. By gluing layers of wood at right angles, the panel is able to achieve better structural...
Read on Wikipedia · Image Райн Александр Дмитриевич, CC BY-SA 4.0
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