Galvanized rib lath is manufactured to BSEN 10327-DX51D 275. It is a reinforcing mesh with rigid ribs running along the length of the sheet. It is used as a key for plaster and render applications although it differs from the normal mesh because of the ribs it can accommodate a deeper two coat render application. It can also be used for partition walls and ceilings. It can be fixed through the rib with a nail or through the sheet with a staple or tying wire. For internal use.