GRP FRP Corrugated roof panel is a patent of our company, not like other FRP products, it is produced without yarn, instead, we use mat only. Therefore, the corrugated sheet is more stength in both horizontal and vertical direction. This product is designed for a famouse company of Japan, and the safety of this product has been comfirmed by the National Lab of Japan. Fiberglass corrugated sheet is usually used in construction site as protecting facility. It is dagarouse for workers in building site since u never know if there is something hard drop down from the high area. So corrugated sheet is installed for preventing the stuff dropping down to hurt people. Besides, it could also applied as the roof of the constructions.