
MAPEI Keracolor U Unsanded Grout, Charcoal #47 (10 lb)
Keracolor U Unsanded Grout - Charcoal #47
Premium unsanded grout for fine joints in porcelain, ceramic, glass, and natural stone tile. Designed for 1/16–1/8 in joints with BioBlock technology to resist mold and mildew, and suitable for indoor or outdoor use.
Key Features:
- Versatile Tile Compatibility: Works with porcelain, ceramic, natural stone, glass, and mosaic tiles
- Fine Joint Performance: Formulated for grout joints from 1/16 in to 1/8 in
- Enhanced Protection Option: Mix with MAPEI Grout Maximizer to boost stain resistance and flexibility
- Submerged Applications: Safe for pools, spas, fountains, and water features after full 21‑day cure
- Mold/Mildew Resistance: BioBlock technology helps inhibit the growth of mold and mildew
Specifications Table:
| Specification | Details |
|---|---|
| Color | Charcoal #5047 |
| Series | Keracolor U |
| Type | Unsanded grout |
| Use Location | Indoor or outdoor |
| Joint Width Range | 1/16 in to 1/8 in |
| Compatible Materials | Porcelain, ceramic, natural stone, glass, mosaic tiles |
| Submerged Use | Allowed after full cure (21 days) |
| Mold/Mildew Resistance | BioBlock technology |
| Freeze Resistant Post-Installation | Yes |
| Stain Resistance | Yes (with MAPEI Grout Maximizer additive) |
| Unit of Measure | Pounds |
| Unit Quantity | 10 lb |
| Drying Time | 24 hours (initial) |
| Warranty | 1-year limited |
| Sealing Required | Yes |
| Prop 65 Warning | Yes |
| Maximum Coverage Area | Up to 638 sq ft (varies by tile and joint size) |
Frequently Asked Questions (FAQ):
Q: Do I need to seal this grout?
A: Yes, sealing is recommended after curing to protect against stains and moisture.
Q: Can it be used in showers and wet areas?
A: Yes—once fully cured, it’s suitable for showers and other wet areas; submerged use is allowed after 21 days.
Q: What joint size is appropriate?
A: Use for grout joints between 1/16 inch and 1/8 inch.
Q: How can I improve stain resistance?
A: Mix the powder with MAPEI Grout Maximizer instead of water to increase stain resistance and flexibility.
Q: Is it suitable for outdoor installations?
A: Yes, it can be used indoors or outdoors and is freeze resistant after installation.
A Refined Charcoal Finish That Elevates Every Tile Line
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. It’s a small detail that delivers a polished, luxurious finish throughout the space.
Choose Keracolor U Charcoal #47 today for smooth, durable grout lines that complete your tile project with confidence.
Original: $37.41
-70%$37.41
$11.22Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Keracolor U Unsanded Grout - Charcoal #47
Premium unsanded grout for fine joints in porcelain, ceramic, glass, and natural stone tile. Designed for 1/16–1/8 in joints with BioBlock technology to resist mold and mildew, and suitable for indoor or outdoor use.
Key Features:
- Versatile Tile Compatibility: Works with porcelain, ceramic, natural stone, glass, and mosaic tiles
- Fine Joint Performance: Formulated for grout joints from 1/16 in to 1/8 in
- Enhanced Protection Option: Mix with MAPEI Grout Maximizer to boost stain resistance and flexibility
- Submerged Applications: Safe for pools, spas, fountains, and water features after full 21‑day cure
- Mold/Mildew Resistance: BioBlock technology helps inhibit the growth of mold and mildew
Specifications Table:
| Specification | Details |
|---|---|
| Color | Charcoal #5047 |
| Series | Keracolor U |
| Type | Unsanded grout |
| Use Location | Indoor or outdoor |
| Joint Width Range | 1/16 in to 1/8 in |
| Compatible Materials | Porcelain, ceramic, natural stone, glass, mosaic tiles |
| Submerged Use | Allowed after full cure (21 days) |
| Mold/Mildew Resistance | BioBlock technology |
| Freeze Resistant Post-Installation | Yes |
| Stain Resistance | Yes (with MAPEI Grout Maximizer additive) |
| Unit of Measure | Pounds |
| Unit Quantity | 10 lb |
| Drying Time | 24 hours (initial) |
| Warranty | 1-year limited |
| Sealing Required | Yes |
| Prop 65 Warning | Yes |
| Maximum Coverage Area | Up to 638 sq ft (varies by tile and joint size) |
Frequently Asked Questions (FAQ):
Q: Do I need to seal this grout?
A: Yes, sealing is recommended after curing to protect against stains and moisture.
Q: Can it be used in showers and wet areas?
A: Yes—once fully cured, it’s suitable for showers and other wet areas; submerged use is allowed after 21 days.
Q: What joint size is appropriate?
A: Use for grout joints between 1/16 inch and 1/8 inch.
Q: How can I improve stain resistance?
A: Mix the powder with MAPEI Grout Maximizer instead of water to increase stain resistance and flexibility.
Q: Is it suitable for outdoor installations?
A: Yes, it can be used indoors or outdoors and is freeze resistant after installation.
A Refined Charcoal Finish That Elevates Every Tile Line
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. It’s a small detail that delivers a polished, luxurious finish throughout the space.
Choose Keracolor U Charcoal #47 today for smooth, durable grout lines that complete your tile project with confidence.




















