Mapeproof Swell is a hydro-expansive, rubber-based sealant paste developed to form flexible waterproof seals in cracked reinforced cement or prefabricated elements with water infiltration. It is supplied in cartridges and is applied with an extrusion gun. It binds perfectly to slightly damp surfaces.
Applications: - Sealing pipe-work which passes through concrete - Repairing waterproofing cold joints in reinforced concrete structures - Sealing cracks through which water leaks in reinforced concrete structures - Bonding various types of joints - Sealing lamps and drainage outlets in swimming pools