Butyl-bentonite waterstop with very high density, reactivity and swelling up to 800%.
WAM 101 Water Resistant
Butyl-bentonite waterstop particularly extruded with protective membrane, resistant against rain water in flooded areas. It fast swells when in contact with concrete casting (alkaline pH about 11).
P 203
Hydro-expansive rubber in cartridge for sealing joints, cracks etc.