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Never before has a pre-mixed Grout offered the superior strength and performance of an epoxy Grout, now found in SPECTRALOCK 1! This patent pending, 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 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. 

Features built-in Microban antimicrobial product protection fight the growth of mold and mildew on Grout surface. 

Get answers to frequently asked questions about SPECTRALOCK 1. 



Unit Size


1 GAL (3.8L) PAIL

14.2 LB (6.4kg)

Pallet Quantity

  • 1 GAL – 125 Units per pallet


    • Locks in color and blocks out stains - Available in all 40 LATICRETE Grout colors and 12 SPECTRALOCK DAZZLE additive options which creates glitter Grout or glow-in-the-dark Grout. SPECTRALOCK 1 has uniform color consistency using SPECTRALOCK sand and is stain-proof^. It is professionally formulated to ensure a long-lasting appearance, year after year.
    • Strongest pre-mixed Grout on the market - Tested and evaluated in accordance to ANSI A118.3*, SPECTRALOCK 1 outperforms traditional pre-mixed Grouts currently available on the market. With a PSI rating 10X higher than standard pre-mixed Grouts, it’s the strongest one-step Grout available — resistant to cracking and rated for heavier foot traffic for an installation that can last a lifetime. 
    • Features built-in Microban antimicrobial product protection fight the growth of mold and mildew on Grout surface. *Meets or exceeds ANSI A118.3 specific test designation 5.6
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