Guidelines For Joint Sealant The final step in the installation process, joint sealants provide a tight seal at construction joints while allowing for movement between sections of concrete. LITHOSEAL™ Trafficalk-3G™ joint sealant provides functional protection while allowing the design to reach its full aesthetic potential. With over 100 standard colors and custom color matching capabilities, LITHOSEAL™ Trafficalk-3G™ meets your needs for color continuity and functional joint protection. Learn More Concrete Lifestyles can help if you’re interested in decorative concrete patios, concrete pool decks, decorative concrete floors and concrete driveways. Each of these can be accomplished with more than just gray concrete, such as stamped concrete, stained concrete, pattern concrete, and colored concrete. Contact us and learn how a decorative concrete driveway can cost less than other alternatives.