Highly stain resistant, never needs sealing. 33 TEC Grout Colors Fast setting; open to traffic in 4 hours. Color Consistent and resistant to efflorescence. Universal formula for wall and floor applications. Crack and Shrink resistant. TEC Power Grout is a unique breakthrough in grout technology. It maximizes performance while providing ease of use. Its unique formulation is highly stain resistant and provides strong, color-consistent joints by resisting efflorescence, cracking and shrinking. TEC Power Grout provides excellent performance in virtually any environment, including high-traffic and wet conditions, and in residential and commercial applications.