MasterProtect H 177 is a high-performance, water-based, VOC-compliant, clear silane/siloxane sealer designed for dense, vertical masonry surfaces like hard-burnt brick. 

Product Highlights

  • Water repellency extends life of building

  • Treats brick and mortar providing long-lasting protection against moisture intrusion

  • VOC compliant for EPA and most regional jurisdictions

  • Excellent water bead so substrate maintains dry appearance during rainfall

  • Transparent and non-staining, does not alter surface appearance

  • Breathability allows interior moisture to escape without damaging sealer

  • Easy to apply 


  • Vertical

  • Interior or Exterior

  • Above Grade


  • Brick

  • Stucco

  • Aged Limestone