Red Head A7+ is a high-strength, fast-cure adhesive that is designed to securely anchor threaded rod and rebar to cured concrete and masonry. A7+ is one of the most versatile anchoring solutions on the market, suitable for use in an extremely wide range of applications and environmental conditions. Qualified for use in concrete, grout-filled and hollow block, brick, and clay tile ICC-ES approved for cracked concrete and seismic conditions (ICC-ES ESR-3903) ICC-ES approved for grout-filled masonry (ICC-ES ESR-3951) Cures in only 45 minutes (at base temperature of 70F/21C) No extra time required for drying saturated concrete or water-filled holes Easy pumping even in cold temperatures Low odor—suitable for use indoors and in occupied buildings Optimum viscosity simplifies use in overhead and horizontal holes 18-month storage life minimizes waste and risk of using expired product Rugged, re-sealable cartridge resists breakage due to rough handling or cold temperatures