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CLT stands for "Cross Laminated Timber," which is referred to as "cross-laminated timber" in Japanese. It is a wood product made by gluing together layers of boards (lamina) with their fiber directions oriented perpendicular to each other. Developed in Austria in the 1990s, it is a new wood construction material that is now being adopted in buildings across Europe and North America, rapidly gaining popularity. CLT achieves large thicknesses, widths, and lengths that were not possible with existing wood products. It enables the use of wood not only in small buildings like wooden houses but also in large and mid-rise buildings where wood construction was previously challenging. High-rise buildings utilizing CLT are being constructed in North America and Europe. It has also gained attention in Japan, where the JAS (Japanese Agricultural Standards) was established as a manufacturing standard in December 2013, and the building code notifications related to CLT were promulgated and enforced in April 2016. This marked the beginning of general use of CLT, and mid-rise wooden buildings using CLT have also started. Our company began manufacturing JAS-compliant CLT in July 2018.

• Structural Materials