PEEPER on Instagram: "The Stem and Ergelit HT system is a specialized solution engineered to restore and strengthen damaged sewer channel floors. When the base is eroded or uneven, installing GRP liners can lead to cracks or premature failure—but this system eliminates that risk. By filling voids with high-strength cement mortar and creating a perfectly smooth surface, it ensures a stable foundation that’s ready for long-term use. The process adapts to both circular and egg-shaped profiles, from