MasterProtect H 185 is a high-performance, water-based, clear, silane/siloxane sealer designed to provide long-term protection for the most challenging split-faced and lightweight block as well as standard CMU. 

Product Highlights

  • Water repellency extends life of building 

  • VOC Compliant for EPA and most regional jurisdictions

  • Excellent water bead so the substrate maintains dry appearance during rainfall

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

  • Breathablity allows interior moisture to escape without damaging sealer

  • Easy to apply 



  • Vertical

  • Interior or Exterior

  • Above Grade


  • Concrete Block
    • Lightweight

    • Integrally colored

    • Split faced

  • Porous Concrete Surfaces