Rainstopper LLC products

QSR provides a system fortherehabilitationof concrete or masonry benches and inverts andthe repairing of voids in concrete or masonry substrates prior to the application of Strong-Seal® products.  QSR is a rapid-setting, hand-mixed, hand-applied calcium aluminate cement product blended with pozzolans, lightweight aggregate, alkaline-resistant fiberglass reinforcement, and performance enhancing admixtures used to form a patching material or monolithic liner.  QSR is specifically formulated for applications with a pH of 2.0 or higher.