Product Description

Strong-Seal® QSR is a rapid-setting, high-performance patching material designed for repairing and restoring concrete and masonry structures, with a special focus on manhole rehabilitation. Offering impressive compressive strength—over 1,000 PSI in one hour, 2,000 PSI in 24 hours, and 3,000 PSI in 28 days—QSR ensures long-lasting durability even in harsh, corrosive environments. Its quick set time of 15 to 30 minutes allows for fast application, minimizing downtime and enabling storm runoff to resume in just 2 to 4 hours.

Formulated with calcium aluminate cement and pozzolans, QSR is ideal for repairing manhole inverts, benches, and voids, providing exceptional bond strength and corrosion resistance. With its easy-to-use mixing process and versatile application methods, QSR is perfect for use in manholes, tanks, tunnels, and pipelines, making it an indispensable solution for municipalities and contractors needing fast, reliable infrastructure repairs.