MasterProtect H 177 5 GALLON PAIL


MasterProtect H 177
High-performance, breathable, water-based, silane/siloxane water-repellent sealer

MasterProtect H 177 functions as a high-performance, water-based, VOC-compliant sealer formulated with clear silane/siloxane. Specifically designed for dense, vertical masonry surfaces such as hard-burnt brick, it provides effective water repellency and breathability.

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 177:

  • 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 177:

  • Treats brick and mortar, offering 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