Coupling our Aquaflex® Silica-Free Waterproof Concrete Repair with Aquaflex® Adhesive is the easiest way to satisfy the new OSHA Final Ruling on respirable concrete silica (RCS). Avoid mechanical processes like concrete grind and shot-blast. Achieve porosity and provide a safe, silica-free concrete repair. Follow with an installation using our zero “0” VOC, bio-based, certified GREEN Aquaflex Adhesive. Combined Formulators provides the only complete installation system in the world warranted to an UNLIMITED moisture level.