Sep 17, 2014. /Lesprom Network/. Japan’s Yamasa Mokuzai Co., Ltd. has acquired JAS certificate on CLT (cross laminated timber). Species are cedar and possible producing sizes are 450 mm in thickness, 2,000 mm in width and 4,000 mm in length. The annual production is 4,000 cubic metres, ITTO reports.

Yamasa Mokuzai is one of establishing member of Japan CLT Association and it has been promoting panel use of structural laminated lumber like floor, wall and ceiling. It has built full scale two story house with cedar CLT with which they test floor impact sound insulation performance on CLT composite floor and observe aging degradation.