<h1>Keracolor U Unsanded Grout - Charcoal #47</h1> <p><strong>Premium unsanded grout for fine joints in porcelain, ceramic, glass, and natural stone tile. Designed for 1/161/8 in joints with BioBlock technology to resist mold and mildew, and suitable for indoor or outdoor use.</strong></p> <h2>Key Features:</h2> <ul> <li><strong>Versatile Tile Compatibility:</strong> Works with porcelain, ceramic, natural stone, glass, and mosaic tiles</li><li><strong>Fine Joint Performance:</strong> Formulated for grout joints from 1/16 in to 1/8 in</li><li><strong>Enhanced Protection Option:</strong> Mix with MAPEI Grout Maximizer to boost stain resistance and flexibility</li><li><strong>Submerged Applications:</strong> Safe for pools, spas, fountains, and water features after full 21day cure</li><li><strong>Mold/Mildew Resistance:</strong> BioBlock technology helps inhibit the growth of mold and mildew</li> </ul> <h2>Specifications Table:</h2> <table> <tr> <th><strong>Specification</strong></th> <th><strong>Details</strong></th> </tr> <tr><td><strong>Color</strong></td><td>Charcoal #5047</td></tr><tr><td><strong>Series</strong></td><td>Keracolor U</td></tr><tr><td><strong>Type</strong></td><td>Unsanded grout</td></tr><tr><td><strong>Use Location</strong></td><td>Indoor or outdoor</td></tr><tr><td><strong>Joint Width Range</strong></td><td>1/16 in to 1/8 in</td></tr><tr><td><strong>Compatible Materials</strong></td><td>Porcelain, ceramic, natural stone, glass, mosaic tiles</td></tr><tr><td><strong>Submerged Use</strong></td><td>Allowed after full cure (21 days)</td></tr><tr><td><strong>Mold/Mildew Resistance</strong></td><td>BioBlock technology</td></tr><tr><td><strong>Freeze Resistant Post-Installation</strong></td><td>Yes</td></tr><tr><td><strong>Stain Resistance</strong></td><td>Yes (with MAPEI Grout Maximizer additive)</td></tr><tr><td><strong>Unit of Measure</strong></td><td>Pounds</td></tr><tr><td><strong>Unit Quantity</strong></td><td>10 lb</td></tr><tr><td><strong>Drying Time</strong></td><td>24 hours (initial)</td></tr><tr><td><strong>Warranty</strong></td><td>1-year limited</td></tr><tr><td><strong>Sealing Required</strong></td><td>Yes</td></tr><tr><td><strong>Prop 65 Warning</strong></td><td>Yes</td></tr><tr><td><strong>Maximum Coverage Area</strong></td><td>Up to 638 sq ft (varies by tile and joint size)</td></tr> </table> <h2>Frequently Asked Questions (FAQ):</h2> <p><strong>Q: Do I need to seal this grout?</strong><br/> <strong>A:</strong> Yes, sealing is recommended after curing to protect against stains and moisture.</p> <p><strong>Q: Can it be used in showers and wet areas?</strong><br/> <strong>A:</strong> Yesonce fully cured, its suitable for showers and other wet areas; submerged use is allowed after 21 days.</p> <p><strong>Q: What joint size is appropriate?</strong><br/> <strong>A:</strong> Use for grout joints between 1/16 inch and 1/8 inch.</p> <p><strong>Q: How can I improve stain resistance?</strong><br/> <strong>A:</strong> Mix the powder with MAPEI Grout Maximizer instead of water to increase stain resistance and flexibility.</p> <p><strong>Q: Is it suitable for outdoor installations?</strong><br/> <strong>A:</strong> Yes, it can be used indoors or outdoors and is freeze resistant after installation.</p> <h2>A Refined Charcoal Finish That Elevates Every Tile Line</h2> <p>Keracolor U in Charcoal draws a sleek, tailored outline around your tilework, creating a crisp, contemporary rhythm. The unsanded formula keeps fine joints smooth and elegant, letting the color read as a subtle, sophisticated shadow. Pair it with white subway tile for striking contrast or with slate and glass mosaics for a moody, layered palette. Its a small detail that delivers a polished, luxurious finish throughout the space.</p> <p><strong>Choose Keracolor U Charcoal #47 today for smooth, durable grout lines that complete your tile project with confidence.</strong></p>