Paper-Back HI Rib. The paper backing prevents the loss of plaster with machine applications The leading manufacturer of expanded metal lath and accessories in China. We are specializing in expanded metal lath and accessories, including rib laths, diamond meshes, corner beads, plaster stop beads, weep screeds, high rib formworks and so on. Email us for more details.Paperback Rib LathAn integrally ...