Retaining wall drainage 101 The Top 3 Reasons Why Drainage is Essential for Retaining Walls. 1. Preserving Structural Integrity: Proper drainage prevents water buildup behind the wall, reducing soil erosion and maintaining its stability. 2. Preventing Damage: Effective drainage helps to avoid potential cracks and bulges caused by hydrostatic pressure, ensuring the longevity of your retaining wall. 3. Enhancing Aesthetics: By channeling excess water away, drainage systems keep your retaining wall

Retaining Wall Drainage: What Is It and Why Does It Matter?