​​MasterProtect H 185 5 GALLON PAIL


MasterProtect H 185
High-performance, breathable, water-based, patented silane/siloxane blended water-repellent sealer for lightweight block

MasterProtect H 185 functions as a high-performance, water-based, clear sealer formulated with patented silane/siloxane blend. Specifically designed to offer long-term protection for challenging split-faced and lightweight block surfaces, as well as standard CMU, it provides effective water repellency while allowing the substrate to breathe.

Technical Data Sheet

Safety Data Sheet

Recommended uses:

  • Designed for vertical surfaces
  • Suitable for both interior and exterior applications
  • Effective for above-grade structures

Key features of MasterProtect H 185:

  • Water repellency extends the life of the building
  • VOC compliant for EPA and most regional jurisdictions
  • Transparent and non-staining, preserving the surface appearance
  • Easy to apply

Benefits of MasterProtect H 185:

  • Treats lightweight block and CMU, providing long-lasting protection against moisture intrusion
  • Excellent water beading ensures the substrate maintains a dry appearance during rainfall
  • Breathability allows interior moisture to escape without damaging the sealer

Additional information

Weight 45 lbs
Dimensions 1 × 1 × 1 in