Waterstops

Henry Synko-Flex^® and Hydro-Flex waterstops provide a watertight seal in reinforced construction cold joints, cast in place applications, and through-wall penetrations against the ingress of water.  Used in wastewater treatment plants, secondary containment structures, tunnels, swimming pools, below-grade parking garages, water theme parks and potable water reservoirs to name a few, Henry provides waterstop options that withstand wet and dry conditions, as well as chemicals and fuels.

Rely on Henry Synko-Flex and Hydro-Flex waterstops to perform under the most demanding concrete applications.  Choose a waterstop that fits your application to learn more.

Benefits, tips and uses for Henry Synko-Flex and Hydro-Flex waterstops:    Benefits of Synko-Flex Waterstop over Expansive Type Waterstops    Tips for Best Adhesion on Vertical Surfaces    Use of Synko-Flex Waterstop in Joints Without a Keyway    Use of Synko-Flex Preformed Adhesive Waterstop on Steel, PVC, HDPE, Fiberglass Pipe, Sleeves, and Collars Used in Cast-in-Place Concrete Construction    Use of Synko-Flex Preformed Adhesive Waterstop in Potable Water Applications   SF302 Synko-Flex® Waterstop HF302 Hydro-Flex™ Waterstop NSF approved Provides lasting, watertight bond to fresh and cured concrete Self-sealing adhesive compound Commonly used within cold joints at the footing, walls and slabs on a variety of concrete structures Swells in the presence of water, providing a watertight seal Self-adhered and bonds to a wide variety of substrates Swells up to 250%, penetrates into poorly consolidated concrete surfaces SF312 Synko-Flex® Fuel Resistant Waterstop SF311 Synko-Flex® Solvent Primer SF300 Synko-Flex® Emulsion Primer Controls ingress and egress of hydrocarbons into concrete joints Excellent chemical resistance to gasoline, jet fuel, kerosene, motor oil and more Thin penetrating solution of select asphalt, base in petroleum solvent Penetrates pores and seals dusty concrete Creates optimal surface for the adhesion and bonding of Hydro-Flex™ and/or Synko-Flex® Thin penetrating solution of mineral colloid asphalt emulsion Penetrates pores and seals dusty concrete Creates optimal surface for the adhesion and bonding of Hydro-Flex™ and/or Synko-Flex® Odorless, environmentally safe