SKU: 46759516553

MAPEI Keracolor U Unsanded Grout, 19 Pearl Gray #5019, 10-lb Bag

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Description

MAPEI Keracolor U Unsanded Grout, 19 Pearl Gray #5019, 10-lb BagKeracolor 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:

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.


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

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: It’s 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 cured—allow 21 days before submersion.


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.


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.


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

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 46759516553

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Kindle Customer
Whiting, US
★★★★★ 5
great product
Reload type: One Time Reload
so easy, thanks amazon
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 9, 2026
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M Osekou
West Palm Beach, US
★★★★★ 4
Great for keeping bank statements clean but random security delays are frustrating
Reload type: One Time Reload
I use the balance reload tool to manage my monthly budget and easily hit credit card sign-up bonuses. It keeps my bank statements totally clean by grouping dozens of tiny e-book and movie rental charges into one single transaction. Most of the time the whole process works flawlessly and the money shows up in my account within five minutes. It is honestly the easiest way to put a hard limit on my family's everyday online shopping. You just need to watch out for a few annoying system quirks when you load larger amounts of money. Even though it usually works instantly the automated security filter sometimes flags big reloads and freezes the transaction for hours. This random delay is incredibly frustrating if you are trying to add cash fast to catch a lightning deal before it expires. You also have to remember that this balance is strictly non-refundable and cannot be used to buy other gift cards. Overall this is still a great method for organizing online spending and maximizing your cash-back credit card rewards. It totally fixed how I track household purchases but you definitely have to tolerate the occasional processing delays. My best advice is to load your account a day or two before you actually need to buy a big-ticket item. It works perfectly as a budgeting tool as long as you know the rules and plan for the random security hold.
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Reviewed in the United States on April 14, 2026
P
Verified Purchase
Paola Rodriguez
Boise, US
★★★★★ 5
Great for Budgeting – Instant Balance and Easy to Use
Reload type: One Time Reload
I use Amazon’s gift card reload feature to plan my spending. It’s perfect when I know I want to make a purchase but prefer to set the funds aside first. I love that it’s immediate—no worries about pending charges or accidental spending from my card. It gives me peace of mind knowing that when I’m ready to buy, the balance is just sitting there, waiting. Pros: easy to use, instant balance update, helps with budgeting and avoiding overspending Cons: funds are locked into Amazon once reloaded, doesn’t count toward certain account requirements like review eligibility Overall, it’s a convenient and reliable way to manage spending on Amazon, especially if you like having control over your purchases.
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Reviewed in the United States on May 1, 2026
M
Verified Purchase
Mckena Fox
Alexandria, US
★★★★★ 5
Aussie Approved
Size: Large, Color: Blue
I got a knock off one of these originally and man I should have just stuck with the real thing. My dog destroyed the other one in about 4 seconds. My dog loves this one and has not been able to tear it up, he prefers to just push it around after he gets all the treat out of it which is hilarious to watch. The quality is amazing and it is so easy to clean without leaving a smelly odor on it. It fits in my freezer perfectly and also is soft but firm so I do not have to worry about my dog hurting his teeth. For reference I have an Aussie and I got the large one which is perfect for his size (60lbs). My pet prefers this one over the last one for sure since this one actually keeps him entertained.
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Reviewed in the United States on June 13, 2026
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mpd_26
Lexington, US
★★★★★ 5
Awesome enrichment toy!
Size: Large, Color: Green, Size: Large, Color: Green
These are awesome! My dogs love them and keep them occupied for 30-60 mins so I can make and enjoy my coffee in peace before work. They are very easy to clean, but as others have mentioned, they can get stuck. I had to take a pliers to get one of them unscrewed. Hopefully that’s not a constant issue. I do wish they were more durable since there were a lot of teeth marks in them after the first use, so I upgraded to the black super chewer one. I’m happy I gave these a try and feel they are worth the money, especially for high energy dogs who get bored easily.
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Reviewed in the United States on June 4, 2026

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