CRF 401 Crack Filler is a type of crack filler used in construction and maintenance projects to repair cracks in concrete surfaces. It helps prevent water infiltration, which can cause further damage to the concrete structure over time. This is designed to fill and seal cracks in concrete surfaces, such as driveways, sidewalks, floors, and walls. The offered filler is typically made of a blend of polymers, aggregates, and other additives designed to provide adhesion, flexibility, durability, and resistance to weathering and traffic. CRF 401 Crack Filler provides an effective solution for repairing and restoring concrete surfaces by filling and sealing cracks, helping to extend the lifespan of the concrete and maintain its structural integrity.