Viscoelastic, one component water activated PU injection foam. Reacts immediately upon contact with water and forms a compact, viscoelastic, waterproof polyurethane foam which is able to follow crack movements. Volume expansion up to 30 times. Free of fillers, resistant to acid and hydrolysis.
Fields of application: Single-step waterproofing of water bearing cracks in masonry and concrete without subsequent injection of solid body resin.
Consumption: Approx. 0.1 kg/l void