Ultra High Strength UHS Grout - 20kgUltra HS Gout is a high performance, high strength, non shrink Class C cementitious grout. The fluid or flowing grout is a blend of Portland cement and graded fine aggregate and chemical additives. Dual expansion compensates for shrinkage in both plastic and hardened states. It is suitable for grouting gap distances 10mm to 140mm in a single application. Ultra HS Grout is supplied as a ready to use dry powder, requiring only the addition of a