Water activated hydrophobic PU injection foam. The material only reacts when it comes in contact with water and immediately forms a stiff, waterproof polyurethane foam. Volume expansion up to 30 times. Free of solvents and fillers, resistant to hydrolysis.
Fields of application: waterproofing water-bearing cracks in concrete and masonry.
Consumption: Approx. 0.1 kg/l void