Waterproofing Mortar Leaks? HPMC Curing + RDP Film Formation Is the Fix
The impermeability rating is the core performance indicator for waterproofing mortar. Yet many formulations fail during testing — showing gradual leakage under water pressure, or values far below the design target. The first instinct is often to add more water repellent or use a higher cement grade. However, the real issue usually lies in the


