CTS is the largest manufacturer of specialty fast setting hydraulic cement and shrinkage compensating cement (Type-K). Achieve superior performance with both concrete repairs and new construction by choosing from the full line of Rapid SetA? professional-grade cement products. Choose CTS shrinkage-compensating cement products to construct industrial size floors and other concrete structures with no curling, no cracking, and no control joints. The advanced Rapid SetA? technology was developed in 1960. The full line of CTS Cement products has been available nationwide since 1981. CTS Cement | Rapid SetA? is the choice of owners, architects, engineers, and contractors when selecting high-performance cement products.