The Sealing Plug is a revolutionary solution for sealing structural concrete formwork spacers. Sealing Plugs comprise of a

water-swellable rubber cap and solid core. The cap prevents water infiltrating the spacer and the core provides a mechanical anchor under water pressures up to 6 bar.  This water-activated, self-expanding sealing solution is one of our most innovative. It guarantees a perfect seal, combating moisture infiltration with a single hammer blow!