Costar Krystal Plug
Krystal Plug is 1-component, cementitious non-shrink, hydraulic cement-based on crystalline waterproofing technology. It withstands strong hydrostatic pressure, is breathable, has no odour, no fume & is nonflammable. Krystal Plug ensures permanent impermeability of concrete and is used in place of surface applied waterproofing membranes for improved durability and longevity of concrete.