Calcium aluminate has been used in sewer environments since the 1940s. Initially, the drivers for its use included its resistance to sulfates in soil, rapid return to service and superior abrasion resistance.
Over time, it became clear that calcium aluminate concrete showed improved corrosion durability even in the harshest sewer environments. Studies were performed to better understand the science behind the improved performance, and in the early 1990s SewperCoat, a 100% calcium aluminate mortar, was developed specifically to protect wastewater infrastructure from biogenic corrosion.
The first installation of SewperCoat was in Virginia in December 1991 in a critical connection chamber at a municipal wastewater treatment plant. This
