Never before has a pre-mixed grout offered the superior strength and performance of an epoxy grout, now found in SPECTRALOCK 1! This patented, professional grade grout offers all the benefits of SPECTRALOCK epoxy grout without the hassle of mixing. It provides exceptional durability, extreme versatility, and excellent color consistency – even grouting in the most demanding applications. Providing exceptional versatility and excellent color consistency, SPECTRALOCK 1 is stainproof^ and available in a wide variety of colors to match any design. It exceeds ANSI A118.19 as well as meets or exceeds ANSI A118.3* specific test designation 5.6, of which no comparable product on the market can claim. No other grout currently offers the strength, quality and application opportunities in a true, pre-mixed grout. ^ Stainproof (residential installations only) to common household cleaners, liquids and other goods. Clean all spills immediately.