Water-based 40% silane penetrating sealer
Formerly: Enviroseal 40
How does MasterProtect H 400 work?
MasterProtect H 400 is a water-based, 40% alkylalkoxysilane penetrating sealer. It provides long-lasting protection against moisture intrusion, freeze/thaw cycles, and chloride intrusion.
Interior or exterior
Horizontal and vertical
Concrete highway road surfaces
Ramps and barrier rails
Many other reinforced concrete structures
What are the unique features of MasterProtect H 400?
Ideal for traffic-bearing surfaces
Does not alter surface appearance
What are the benefits of MasterProtect H 400?
Excellent penetration protecting against damage from moisture intrusion and chloride ion penetration
Breathable to allow interior moisture to escape without damaging sealer
One component for ease of application