Video: Maximizing Service Life, Minimizing Downtime


By Julie Bobchak, Sauereisen, Inc.

When performing rehabilitation projects in the wastewater industry, speedy back-to-service time is imperative. With the right approach to surface preparation, optimal conditions and proper curing, it is possible to expedite the application process for protective linings and avoid costly service disruptions. Here are some guidelines for a rapid return to service without compromising quality.

1. Use the right applicators. The key to any successful application begins with the proper surface preparation by manufacturer-approved applicators (like those applying Sauereisen's SewerGard 210 in the following video) along with regular third-party inspections. Experienced applicators achieve the exact surface profile needed for maximum adhesion by following industry-standard guidelines such as SSPC-SP13/NACE 6. Additionally, these individuals are qualified to complete any substrate repair work that might be needed before applying the protective lining.

2. Control the temperature. During application and curing, temperature is a vital aspect that significantly impacts downtime and liner performance. Maintaining ambient temperatures between 60°F and 80°F is crucial. Both the substrate and materials should be kept within a range of 65°F to 80°F for 48 hours before work begins. Temperatures below 65°F prolong the curing process, while applications in direct sunlight or rising temperatures may cause blistering—which prolongs downtime for patch repairs. For hotter regions, postponing application to cooler night hours may be necessary.

3. Follow the curing guidelines. Proper curing is essential to achieving the intended strength and resistance properties of the coating or lining. Following the manufacturer cure schedule outlined on the product data sheet guarantees optimal results and a long service life. For example, SewerGard 210 protective linings have a recoat window of 12 to 24 hours and are formulated to be able to withstand sewage and standing water in as little as 24 hours.

Integrating these three simple protocols is the most effective way to minimize downtime and safeguard the integrity and longevity of wastewater treatment infrastructure. By prioritizing proper surface preparation, maintaining ambient temperatures and following manufacturer guidelines, municipalities can expedite the application process and quickly return their systems to service.

Learn more about SewerGard 210.

video courtesy of sauereisen, inc. Sewergard 210 is a registered trademark of sauereisen, inc. Claims or positions expressed by sponsoring authors do not necessarily reflect the views of TPC, PaintSquare or its editors.