Explore Henry^® Line of Mastic and Hydrophilic Water Stops

Henry’s line of mastic and hydrophilic water stops bond to many different substrates. Waterstops can provide a water tight seal, excellent chemical resistance and may eliminate split forming, wiring to rebar and heat welding of splices.

• Synko-Flex Waterstop

  • Self-sealing, non-swelling preformed joint sealant; eliminates split forming, wiring to rebar, heat welding of splices
  • Unaffected by rain or moisture during installation
  • Offers excellent chemical resistance
  • Bonds to most substrates
  • Safe for use in potable water structures

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• Hydro-Flex Waterstop

  • Preformed, self-adhesive hydrophilic waterstop that provides a watertight seal in cold joints on concrete structures
  • Eliminates split forming, wiring to rebar, heat welding of splices
  • Stays flexible in cold weather
  • Offers excellent chemical resistance

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• Synko-Flex FR Waterstop

  • Provides a water-tight seal around cold joints in concrete structures exposed to hydrocarbon liquids
  • Eliminates split forming, wiring to rebar, heat welding of splices
  • Unaffected by rain or moisture during installation
  • Offers excellent chemical resistance
  • Bonds to most substrates

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• Synko-Flex Solvent Based Primer

  • Penetrates concrete surfaces to provide an optimal surface for adhesion and bonding
  • Applies easily by brush
  • Readily penetrates concrete pores and surfaces
  • Covers approximately 200 lineal feet per gallon

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• Synko-Flex Emulsion Primer

  • Penetrates concrete surfaces to provide an optimal surface for adhesion and bonding
  • Applies easily by brush
  • Readily penetrates concrete pores and surfaces
  • Odorless and non-flammable when wet

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