The self-aligning, dual function M-Slide expansion joint provides movement capability at the floor line while providing a water management system that will allow moisture to release from the top ground and lock out moisture from the bottom ground. Provides 1" of vertical movement. US Patent 7,673,421 B2

• Does Not Have A Plaster Return Key
• Superior Moisture Protection™
• Available With 1/4" Weep Holes or No Holes