Five Star Structural Concrete® Underwater HP (Hand Pack) is a rapid strength gain, single component, permanent concrete repair material intended for underwater application by hand or trowel

This concrete repair material allows small volume hand placements with minimal underwater washout. Designed for placement in tidal zones and underwater, application thickness may range from one-half inch (13 mm) to several inches in a single installation. Five Star Structural Concrete® Underwater HP provides corrosion protection of steel reinforced structures with migrating corrosion inhibitor technology and very low chloride ion permeability.

• Rapid set underwater placement
• Minimal washout
• Saltwater resistant
• Chloride and sulfate resistant
• High early strength
• Variable application thickness
• One component for reliability and ease of use
• Migrating corrosion inhibitor technology

It can be used in underwater repair of concrete tanks, dams and hydraulic structures, filling underwater concrete cavities and voids, underwater repair of concrete piles, piers, seawalls and marine structures

This product can expose you to chemicals including Quartz, which are known to the State of California to cause Cancer.