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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
