Solvent free, flexible, extremely low viscosity polyurethane for elastically sealing very fine cracks and construction joints in building structures. Due to its low viscosity and long pot life it is especially suitable for injection via injection hoses. KÖSTER IN 4 acts passively when coming into contact with steel or iron, so that corrosion protection is achieved.
Fields of application: For waterproofing fine cracks, construction joints and for hose injection. For solidifying porous building structures.
Consumption: Approx. 1.1 kg/l void