Water activated hydrophobic PU injection foam. The material only reacts when it comes in contact with water and immediately forms a stif f, 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.
Consommation: approx. 0.1 kg/l void