Two-component thixotropic polyurethane adhesive, to be catalyzed in a 5:1 ratio with CATALYST CTZ 2151 B, for general use. Particularly suitable for the production of sandwich panels and roofing made of brick, ceramic materials, fiber cement, expanded polystyrene or polyurethane, extruded polystyrene or polyurethane, metals, galvanized sheet metal, and wood. It is also easy to apply by hand.