Sauereisen No. F-370 is a catalyzed hydrophobic polyurethane liquid. No. F-370 expands when it meets any source of water or moisture before curing. No. F-370 adheres tenaciously to practically any substrate - wet or dry.
Grout No. F-370 is used to stop leakage through cracked or honeycombed concrete, voids, expansion joints and pipe
intrusions. Applied by injection, the grout is commonly specified to repair concrete walls, ceilings and floors. It is also recommended for use in tunnels, manholes, sewer lines, tanks, dikes, and dams. Sauereisen No. F-370 has excellent chemical resistance and may be used in a wide range of chemical environments.