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Introducing Revolutionary QuartzLock: New Urethane Grout Technology
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QuartzLock Grout is a READY-TO-USE Urethane Grout and different installation techniques are required for successful product use. Please read the following installation instructions carefully.
Read and understand Technical Data Sheet and Material Safety Data Sheet completely before beginning installation. Follow applicable ANSI, TCNA and NTCA installation standards. Always do a test area to ensure product satisfaction, including adhesion to substrate, and/or to become familiar with proper application techniques prior to use.
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Preparation for Grouting
• DO NOT add any water, liquid, or other material to QuartzLock Grout! This will cause grout failure and void all warranties.
• A milky, white liquid may be present on the surface of the grout when opened. This is from normal settling during shipment. The use of a margin trowel is recommended to bring grout into suspension. If a drill mixer is used, mix at low speed for no more than 30 seconds. Over-mixing with a drill mixer may introduce excessive air into the product and cause grout sagging on vertical applications and/or other performance issues. Continue to mix with a margin trowel throughout the grouting process.DO NOT use vinegar solutions for clean up!
• Ensure tile is firmly set and mortar is completely dry (always follow manufacturer’s instructions) before grouting. Remove all spacers, water, debris and adhesive from tile joints.
• For best results, surface of tile should be at room temperature (70°F to 75°F). Urethane materials are affected by temperature and humidity variations. Cool temperatures and/or high humidity will slow cure time.
• To facilitate cleaning, pre-seal all porous tile and natural stone before grouting.
• For glass tile, polished marble, stone and other soft surfaces, test grout on a small area to ensure compatibility.
• Make sure grout joints are clean, dry, and free from solvents and residue before grouting.
Installation Requirements
• For use in joints 1/16" or greater. Ensure that joints are well packed. Smaller joints may require extra effort.
• To speed up installation, or for quarry and other porous tile and/or outdoor applications, pre-wet tile surface using clean water with a damp sponge prior to spreading grout, being careful not to leave standing water in the grout joints.
• Maintain temperature above 40°F (5°C) during installation and curing.
Application
• Spread grout using a green, sharp-edged, firm rubber grout float. Work the grout diagonally across the joints, packing them full.
• Remove excess grout from the tile surface, pulling the edge of the float diagonally across the joint to prevent grout removal.
Grout Cleaning
For best results, remove grout haze AS YOU WORK, particularly in warm or dry climates. If working alone, only grout as far as you can reach (10-12 square foot area) before initial cleaning. If working as a team, one person should grout, with the other(s) cleaning immediately behind the first person.
• Rinse sponge in water and wring out completely. Since urethane grout requires very little water during cleanup, make sure that the sponge is wrung nearly dry. Wipe lightly, leaving sponge flat on the tile surface to prevent grout removal from joints. Excessive water during cleanup can dilute the urethane binder and cause curing issues that may lead to grout failure.
• Wipe up spilled water immediately. Do not allow water to sit on grout surface or in ungrouted joints.
• Change water mixture after each 100 square feet, for each new bucket of grout, or when dirty.
• Check work as you clean. Repair any low spots with additional grout. Unlike other grouts, DO NOT over wash.
• Allow cleaned areas to dry, and then inspect tile / stone surface. If a second cleaning is necessary, wait 24 hours and spray a film remover (Aqua Mix® Heavy-Duty Tile and Grout Cleaner, Miracle Tile & Stone Cleaner, or DuPontT StoneTech® Professional KlenzAllT Cleaner) on a white scrubby DoodlebugT cleaning pad, rubbing the tile lightly to remove any remaining urethane haze, then using a damp sponge and clean water, wipe the surface to remove the film remover (do not flood surface with cleaner). Finish by drying the tile surface with a clean towel or cloth. Contact StarQuartz if persistent haze exists.
Curing
• Protect finished surface from light traffic for at least 24 hours at 70°F (21°C). Heavy foot traffic requires 72 hours at 70°F and 50% relative humidity. See Limitations/Cautions below for further curing requirements.
• If needed, cover ONLY with kraft or breathable paper after initial 24-hour curing period.
• Full cure depends on grout depth. Normal cure of a ¼" grout joint with a 3/8" thick tile is 28 days.
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