Henry’s Hydro-Flex® Waterstop is an easy to use, preformed, self-adhesive hydrophilic waterstop that provides a watertight seal in cold joints on concrete structures. Designed to swell into unconsolidated concrete surfaces upon contact with water, Hydro-Flex® Waterstop features an advanced blend of butyl rubber, polypropylene elastomers, hydrophilic fillers and plasticizers. For exterior use only.
- Eliminates split forming, wiring to rebar, heat welding of splices
- Stays flexible in cold weather
- Offers excellent chemical resistance
- Bonds to most substrates
- Available in .5 in. x 1.125 in. x 16.67 ft. coils – 6 per carton