Abstract
Long-term durability is an important factor from the trail tarp which is one of the target uses having a use life for about 10~20 years in utilization of a reproduction resin sheet.However, although the fundamental durability experiment is conducted in past research, the examination about long-term durability has not been started. Moreover, with the increase in a scrap wood mixing rate, quality and durability fall and have been a subject of efficient material recycle. So, in this research, while examining long-term durability, when quality double-stratifies a low reproduction resin sheet, improvement in quality and improvement in durability are aimed at at a monolayer.