Davco Lanko 701 Duragrout is a high strength, dual expanding, Class C structural grout. It is designed to undergo controlled expansion in the plastic state, while counteracting the shrinkage normally associated with portland cement in the hardened state. Lanko 701 Duragrout has been formulated to achieve high early strengths with low water addition levels. Uses Anchor bolts Underpinning walls Structural column grouting Under heavy machinery Crane rail and conveyor supports Bridge bearings Post tensioned concrete ducts Under precast panels