Keracolor U Unsanded Grout Pearl Gray (10 lb)
MAPEI Keracolor U is a polymerenriched, unsanded grout for narrow joints on porcelain, ceramic, glass, and natural stone. The Pearl Gray #5019 color delivers clean, modern lines, while BioBlock technology helps resist mold and mildew for durable interior or exterior installations.
Key Features:
- For Narrow Joints: Designed for 1/16-in to 1/8-in grout joints for smooth, pinholefree finishes
- Versatile Use: Suitable for porcelain, ceramic, glass/mosaic, marble, granite, travertine, and natural stone; indoor or outdoor
- Enhanced Durability: Polymerenriched formula with BioBlock technology for mold and mildew resistance
- Pool-Ready After Cure: Approved for submerged applications after a full 21day cure
- Upgradable Stain Resistance: Mix with MAPEI Grout Maximizer instead of water for added stain resistance and flexibility
Specifications Table:
| Specification | Details |
| Series Name | Keracolor U |
| Type | Unsanded grout with polymer |
| Color/Finish Family | Gray |
| Manufacturer Color/Finish | Pearl Gray #5019 (Color 19) |
| Unit of Measure | Pound(s) |
| Unit of Measure Quantity | 10 |
| Use Location | Indoor or outdoor |
| For Use with Bathroom Floors | Yes |
| For Use with Bathroom Walls | Yes |
| For Use with Fireplace Exteriors | Yes |
| For Use with Garage Floors | No |
| For Use with Garage Walls | Yes |
| For Use with Kitchen Backsplashes | Yes |
| For Use with Kitchen Counters | Yes |
| For Use with Patios | Yes |
| For Use with Pools | Yes (after 21-day cure) |
| For Use with Shower Floors | Yes |
| For Use with Shower Walls | Yes |
| For Use with Vinyl Floors | No |
| Freeze Resistant Post Installation | Yes |
| Mold Resistant | Yes (BioBlock technology) |
| Sanded/Unsanded | Unsanded |
| Sealing Required | Yes |
| Stain Resistant | Yes, with additive (Grout Maximizer) |
| Maximum Coverage Area (sq. ft.) | Up to 638 per 10 lb (varies by tile size and joint width) |
| Recommended Joint Width | 1/16-in to 1/8-in |
| Warranty | 1-year limited |
| CA Prop 65 Warning | Yes |
| Approximate Coverage Chart | Provided per 10-lb bag for multiple tile sizes and joint widths (see image) |
Frequently Asked Questions (FAQ):
Q: What tile types can this grout be used with?
A: Its suitable for porcelain, ceramic, glass/mosaic, marble, granite, travertine, and natural stone.
Q: What joint size is recommended?
A: Use in grout joints from 1/16 inch to 1/8 inch.
Q: Is sealing required?
A: Yes. For increased stain resistance and flexibility, mix with MAPEI Grout Maximizer.
Q: Can it be used in wet or submerged areas?
A: Yes, including pools and spas once fully curedallow 21 days before submersion.
Q: How much area does a 10lb bag cover?
A: Up to approximately 638 sq ft depending on tile size and joint width; see coverage chart for details.
Crisp, Architectural Lines in Pearl Gray
Pearl Gray grout frames tile with a refined, gallery-like precision that elevates everyday surfaces. The unsanded, ultra-smooth finish keeps the focus on your tile while lending a tailored, modern edge. Pair it with glossy white subway tile for a chic contrast or use with stone mosaics to quiet the palette. Its the subtle, sophisticated detail that makes a space feel impeccably finished.
Choose Keracolor U in Pearl Gray to get a smooth, durable finish that elevates your tile project with professional polish.