The M-SLIDE Expansion Joint is manufactured for application where movement is anticipated. The self-aligning two-piece design allows for 1-inch vertical movement while maintaining a watertight assembly for plaster walls. M-Slide expansion joint is part of CEMCO’s Water Management Line of stucco accessories fabricated from minimum 0.018-inch thick hot-dipped galvanized steel complying with ASTM A653 having a minimum G-90 coating complying with ASTM A925.