






MAPEI Keracolor U Unsanded Grout, Frost #5077 – 10 lb
Keracolor U Unsanded Grout – Frost (10 lb)
MAPEI Keracolor U is a polymer‑enriched, unsanded grout designed for tight joints from 1/16 in to 1/8 in on porcelain, ceramic, glass, and natural stone. The Frost #5077 shade delivers consistent color, BioBlock mold/mildew resistance, and can be used indoors or outdoors, including submerged areas once fully cured.
Key Features:
- Tight Joint Performance: Formulated for 1/16-in to 1/8-in grout joints for smooth, pinhole‑free finishes
- Polymer-Enriched Durability: Enhanced strength and workability for floors, walls, and countertops
- BioBlock Protection: Built-in mold and mildew resistance for cleaner, longer‑lasting joints
- Submersible After Cure: Suitable for pools, spas, and fountains after 21 days of curing
- Upgrade Option: Mix with MAPEI Grout Maximizer for increased stain resistance and flexibility
Specifications Table:
| Specification | Details |
|---|---|
| Series | Keracolor U |
| Color/Finish | Frost #5077 (Gray family) |
| Type | Unsanded grout, polymer‑enriched |
| Recommended Joint Width | 1/16 in to 1/8 in |
| Use Location | Indoor or outdoor |
| Tile Compatibility | Porcelain, ceramic, glass/mosaic, marble, granite, travertine, natural stone |
| Submerged Use | Yes, after 21 days full cure |
| Mold/Mildew Resistance | BioBlock technology |
| Sealing Required | Yes |
| Stain Resistance | Yes (with additive/Grout Maximizer) |
| Freeze Resistant Post Installation | Yes |
| Coverage (10 lb) | Up to 638 sq ft depending on tile size and joint width (see chart) |
| Unit of Measure | 10 lb (4.54 kg) |
| Warranty | 1-year limited |
| UNSPSC | 30111500 |
Frequently Asked Questions (FAQ):
Q: What tile types can I use this grout with?
A: It’s suitable for porcelain, ceramic, glass/mosaic, marble, granite, travertine, and other natural stone.
Q: What joint width is recommended?
A: Designed for grout joints from 1/16 inch to 1/8 inch.
Q: Is sealing required?
A: Yes. For added stain resistance and flexibility, use MAPEI Grout Maximizer instead of water.
Q: Can it be used in wet or submerged areas?
A: Yes—after full cure (21 days) it may be used in swimming pools, spas, water features, and showers.
Q: Is it for indoor or outdoor use?
A: Both; it’s freeze resistant post‑installation.
Soft Silver Sophistication for Seamless Surfaces
Frost #5077 whispers a refined, silvery hue that elevates tilework with effortless polish. Its unsanded, ultra-smooth texture lets delicate glass and polished stone shine while creating a continuous, gallery-like canvas. Pair it with crisp white subway tiles or honed marble for a tailored, spa-worthy look. An essential finish that quietly anchors luxurious, modern spaces.
Choose Keracolor U in Frost to achieve a smooth, mold-resistant grout line that elevates your tile installation—shop now.
Original: $13.35
-70%$13.35
$4.00Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Keracolor U Unsanded Grout – Frost (10 lb)
MAPEI Keracolor U is a polymer‑enriched, unsanded grout designed for tight joints from 1/16 in to 1/8 in on porcelain, ceramic, glass, and natural stone. The Frost #5077 shade delivers consistent color, BioBlock mold/mildew resistance, and can be used indoors or outdoors, including submerged areas once fully cured.
Key Features:
- Tight Joint Performance: Formulated for 1/16-in to 1/8-in grout joints for smooth, pinhole‑free finishes
- Polymer-Enriched Durability: Enhanced strength and workability for floors, walls, and countertops
- BioBlock Protection: Built-in mold and mildew resistance for cleaner, longer‑lasting joints
- Submersible After Cure: Suitable for pools, spas, and fountains after 21 days of curing
- Upgrade Option: Mix with MAPEI Grout Maximizer for increased stain resistance and flexibility
Specifications Table:
| Specification | Details |
|---|---|
| Series | Keracolor U |
| Color/Finish | Frost #5077 (Gray family) |
| Type | Unsanded grout, polymer‑enriched |
| Recommended Joint Width | 1/16 in to 1/8 in |
| Use Location | Indoor or outdoor |
| Tile Compatibility | Porcelain, ceramic, glass/mosaic, marble, granite, travertine, natural stone |
| Submerged Use | Yes, after 21 days full cure |
| Mold/Mildew Resistance | BioBlock technology |
| Sealing Required | Yes |
| Stain Resistance | Yes (with additive/Grout Maximizer) |
| Freeze Resistant Post Installation | Yes |
| Coverage (10 lb) | Up to 638 sq ft depending on tile size and joint width (see chart) |
| Unit of Measure | 10 lb (4.54 kg) |
| Warranty | 1-year limited |
| UNSPSC | 30111500 |
Frequently Asked Questions (FAQ):
Q: What tile types can I use this grout with?
A: It’s suitable for porcelain, ceramic, glass/mosaic, marble, granite, travertine, and other natural stone.
Q: What joint width is recommended?
A: Designed for grout joints from 1/16 inch to 1/8 inch.
Q: Is sealing required?
A: Yes. For added stain resistance and flexibility, use MAPEI Grout Maximizer instead of water.
Q: Can it be used in wet or submerged areas?
A: Yes—after full cure (21 days) it may be used in swimming pools, spas, water features, and showers.
Q: Is it for indoor or outdoor use?
A: Both; it’s freeze resistant post‑installation.
Soft Silver Sophistication for Seamless Surfaces
Frost #5077 whispers a refined, silvery hue that elevates tilework with effortless polish. Its unsanded, ultra-smooth texture lets delicate glass and polished stone shine while creating a continuous, gallery-like canvas. Pair it with crisp white subway tiles or honed marble for a tailored, spa-worthy look. An essential finish that quietly anchors luxurious, modern spaces.
Choose Keracolor U in Frost to achieve a smooth, mold-resistant grout line that elevates your tile installation—shop now.




















