​MasterProtect H 400


MasterProtect H 400
Water-based 40% silane penetrating sealer

MasterProtect H 400 operates as a water-based penetrating sealer containing 40% alkylalkoxysilane. This formulation delivers enduring protection against moisture intrusion, freeze/thaw cycles, and chloride intrusion.

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Product Data Sheet

Safety Data Sheet

Recommended uses:

  • Suitable for interior or exterior applications
  • Specifically designed for horizontal surfaces
  • Ideal for above-grade structures such as parking garages, stadiums, bridge decks, concrete highway road surfaces, ramps, barrier rails, and other reinforced concrete structures

Key features of MasterProtect H 400:

  • Contains 40% silane
  • Specifically formulated for traffic-bearing surfaces
  • Does not alter the surface appearance

Benefits of MasterProtect H 400:

  • Provides excellent penetration, protecting against damage from moisture intrusion and chloride ion penetration
  • Breathable formulation allows interior moisture to escape without damaging the sealer
  • One-component product for ease of application

Additional information

Weight N/A
Dimensions 1 × 1 × 1 in

5 Gallon, 55 Gallon