Viscoelastic, single-component water-reactive PU injection foam. Reacts immediately on contact with water to form a firm, viscoelastic, waterproof polyurethane foam capable of following crack movements. 30-fold increase in volume. Filler-free, hydrolysis and acid resistant.
Application: Single to multi-stage sealing of water-bearing cracks in masonry and concrete without post-injection of a solid resin.
Consumption: Approx. 0.1 kg/l void