HARD-ROK Anchoring cement is a high strength, fast setting, non-shrink, nonmetallic cementitious product used for anchoring and grouting applications. This hydraulic cement is quickly and easily mixed with water to either a pourable or putty-like consistency. HARD-ROK is specifically formulated for anchoring threaded rods, bolts, rebar, railings, signs, posts, parking meters, & machinery in concrete, brick, stone and other substrates. It is effective for patching holes and cracks in concrete floors, masonry walls, roads and sidewalks and for repointing mortar joints