Imerys’ calcium aluminate solutions provide wastewater infrastructure assets an outstanding resistance to H2S biogenic corrosion, enabling a longer asset service life, significantly reduced total operating costs, and a significantly reduced environmental footprint. Beyond their intrinsic properties of H₂S biogenic corrosion resistance and abrasion resistance, products within the Sewper range offer a simple and uncomplicated application procedure with a whole range of possible applications. SewperCoat offers good bonding to moist concrete which permits in-service assets to be rehabilitated; this means significant savings for the municipality which does not have to empty and dry the units. SewperCoat can also be applied by dry or wet spraying or with the use of spinning heads.