Turbo Grout® LT 12 is a non-shrink, non-corrosive, non-metallic cementitious grout. Turbo Grout LT 12 is designed for use in cooler temperatures to provide faster set times and quicker strength gain than normal cement based non-shrink grouts. Turbo Grout LT 12 develops 12,000 psi in 28 days even at temperatures as low as 35°F.