Keracolor U Unsanded Grout – Pearl Gray (10 lb)

MAPEI Keracolor U is a polymer‑enriched, 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.

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Key Features:

• For Narrow Joints: Designed for 1/16-in to 1/8-in grout joints for smooth, pinhole‑free finishes
• Versatile Use: Suitable for porcelain, ceramic, glass/mosaic, marble, granite, travertine, and natural stone; indoor or outdoor
• Enhanced Durability: Polymer‑enriched formula with BioBlock technology for mold and mildew resistance
• Pool-Ready After Cure: Approved for submerged applications after a full 21‑day cure
• Upgradable Stain Resistance: Mix with MAPEI Grout Maximizer instead of water for added stain resistance and flexibility

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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)

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Frequently Asked Questions (FAQ):

Q: What tile types can this grout be used with?
A: It’s suitable for porcelain, ceramic, glass/mosaic, marble, granite, travertine, and natural stone.

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Q: What joint size is recommended?
A: Use in grout joints from 1/16 inch to 1/8 inch.

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Q: Is sealing required?
A: Yes. For increased stain resistance and flexibility, mix with MAPEI Grout Maximizer.

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Q: Can it be used in wet or submerged areas?
A: Yes, including pools and spas once fully cured—allow 21 days before submersion.

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Q: How much area does a 10‑lb bag cover?
A: Up to approximately 638 sq ft depending on tile size and joint width; see coverage chart for details.

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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. It’s the subtle, sophisticated detail that makes a space feel impeccably finished.

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Choose Keracolor U in Pearl Gray to get a smooth, durable finish that elevates your tile project with professional polish.