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Prism #641 Cool White 17 lb. Grout

  • Produces stain resistant, dense grout joints
  • Consistent color without shading or efflorescence
  • Better performance and durability than traditional cement grout
  • See More Details

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Product Overview

Prism Ultimate Performance Grout sets a new standard in cementbased grout technology. Prism's calcium Aluminate cement based formula offers consistent color with no shading regardless of tile type, temperature or humidity. And it will not effloresce. The rapid setting formula results in high early strength and dense joints for the highest stain resistance in grout joints up to 1/2". A unique blend of lightweight recycled glass and fine aggregate sand allows for a smooth consistency that is easy to spread and clean.
  • Use to fill joint widths up to 1/2 in.
  • Cures quickly, walkable in 4 hours
  • Won't mottle or shade regardless of tile type, temperature or humidity
  • Use on floors, walls, countertops, tub surrounds, showers and high traffic areas
  • can also be used in submerged conditions (swimming pools, spas, water features and fountains)
  • 32% lighter than typical grouts; excellent handling characteristics
  • No sealer required
  • Contains 15% (by weight) post-consumer recycled material
  • Sample colors shown may vary from actual grout; final installed shade can differ based on tile type, porosity, job site conditions and finishing techniques
  • Visit the How to Grout Tile Project Guide for tips on completing your grout project
  • Check out more grout products from Custom Building Products to find the best fit for your tile project
  • California residents

Info & Guides

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Compare Similar Grout

current product
Prism #641 Cool White 17 lb. Grout
Prism #643 Warm Gray 17 lb. GroutPrism #647 Brown Velvet 17 lb. GroutPrism #645 Steel Blue 17 lb. Grout
BrandCustom Building ProductsCustom Building ProductsCustom Building ProductsCustom Building Products
NamePrism #641 Cool White 17 lb. GroutPrism #643 Warm Gray 17 lb. GroutPrism #647 Brown Velvet 17 lb. GroutPrism #645 Steel Blue 17 lb. Grout
Price
Ratings
(616)
(616)
(616)
(616)
Product typeCementitiousCementitiousCementitiousCementitious
Flooring Material FeaturesFast-drying,Moisture resistant,Mold/mildew resistant,No sealing required,Rapid setting,Sanded,Stain resistantFast-drying,Moisture resistant,Mold/mildew resistant,No sealing required,Rapid setting,Sanded,Stain resistantFast-drying,Moisture resistant,Mold/mildew resistant,No sealing required,Rapid setting,Sanded,Stain resistantFast-drying,Moisture resistant,Mold/mildew resistant,No sealing required,Rapid setting,Sanded,Stain resistant
Maximum coverage area (sq. ft.)1096109610961096
LocationBathroom,Countertop,Exterior wall,Floor,Interior wall,Kitchen Backsplash,Shower,Swimming pool,Tub surroundBathroom,Countertop,Exterior wall,Floor,Interior wall,Kitchen Backsplash,Shower,Swimming pool,Tub surroundBathroom,Countertop,Exterior wall,Floor,Interior wall,Kitchen Backsplash,Shower,Swimming pool,Tub surroundBathroom,Countertop,Exterior wall,Floor,Interior wall,Kitchen Backsplash,Shower,Swimming pool,Tub surround
Indoor/OutdoorIndoor/OutdoorIndoor/OutdoorIndoor/OutdoorIndoor/Outdoor
Flooring Product TypeGroutGroutGroutGrout
View ProductView ProductView ProductView Product

Specifications

Dimensions

Maximum coverage area (sq. ft.)
1096
Product Width (in.)
10.5

Details

Color
Cool White
Color Family
White
Commercial / Residential
Commercial / Residential
Dry time (hours)
72
Flooring Material Features
Fast-drying,Moisture resistant,Mold/mildew resistant,No sealing required,Rapid setting,Sanded,Stain resistant
Flooring Product Type
Grout
Flooring Type
Glass,Porcelain,Stone,Tile
Indoor/Outdoor
Indoor/Outdoor
Location
Bathroom,Countertop,Exterior wall,Floor,Interior wall,Kitchen Backsplash,Shower,Swimming pool,Tub surround
Product type
Cementitious
Returnable
90-Day

Warranty / Certifications

Lifetime Warranty
Yes
Manufacturer Warranty
Eligible for Lifetime Warranty

Questions & Answers

125Questions22Answers

My tile manufacturer recommends non sanded grout for my marble tile. My installer recommends this...

Asked by Jazxy3d April 11, 2021
2
Answers

Prism Grout contains sand. We would suggest the use of our Polyblend Plus Non-Sanded Grout. For further assistance please contact us at 1 800 282 8786 option 2.

The grout lines seem to have a haze to them. I can’t get it to come off

Asked by Haze March 27, 2021
2
Answers

In order for us to give you the best possible answer, we would like to know a few more details regarding your project. For further assistance please contact us at 1 800 282 8786 option 3.

how can I calculate how much grout is needed for 350 sq ft of tile

Asked by Gibby March 24, 2021
2
Answers

Coverage for Prism Grout will vary depending on tile size and joint width. For further assistance please contact us at 1 800 282 8786 option 2.

How long after grouting can I move furniture back into room? I noticed that it said 4-hrs until i...

Asked by Chris March 22, 2021
2
Answers

We would suggest allowing a minimum of 48 - 72 hours prior to moving furniture over Prism Grout. For further assistance please contact us at 1 800 282 8786 option 2,

Is this product come pre-mixed? Or does it require mixing?

Asked by Jim March 22, 2021
3
Answers

For small jobs there is premixed grout but for larger jobs just mix it...

can this be used on glass tile?

Asked by DJ March 21, 2021
2
Answers

To better have your question answered, please call Custom Building Products at 800-282-8786.

Could this be used to grout quartz pebble tiles on a shower floor?

Asked by twoods March 20, 2021
2
Answers

To better have your question answered, please call Custom Building Products at 800-282-8786.

Is this suitable for glass tile? non sanded?

Asked by Idapeg March 13, 2021
2
Answers

To better have your question answered, please call Custom Building Products at 800-282-8786.

Can you use this grout to cover existing grout on flooring

Asked by Lenny March 13, 2021
2
Answers

To better have your question answered, please call Custom Building Products at 800-282-8786.

I spilled some on my tub and now my tun is stained. How can I remove the discoloration?

Asked by jared March 5, 2021
3
Answers

Try a magic eraser and HOT water.

Prism #641 Cool White 17 lb. Grout - page 2

Customer Reviews

  • 4.3
    out of 616 reviews
  • 65% recommend this product
Filter by:
Showing 1-10 of 616 reviews
I decided to upgrade to this grout for my personal bathroom remodel. Having been a tile contract...
I decided to upgrade to this grout for my personal bathroom remodel. Having been a tile contractor I have used a lot of different grouts. This grout was superior to any I've previously used. It mixed smooth and trowels in easy. Cleanup was about the same but the dried grout seemed tougher and much more resistant to possible staining issues.
by JimB
Calories is not faded after 60 days!...
Calories is not faded after 60 days!
by HomeDepotCustomer
This grout mixed up very easy. It had a nice uniform color. We purchased the Steel Blue and the c...
This grout mixed up very easy. It had a nice uniform color. We purchased the Steel Blue and the color was very close to what you see online; maybe a tad bit darker. It applied really nicely. I did take several attempts (5-6) to sponge off from the tiles. I would highly recommend this, especially since the sealer is built in.
by KViele
Wrong color!
I spent a lot of time picking out the grout color I wanted. I ended up going with Platinum. Like some of the other reviews stated, it dried the wrong color! It’s almost white! The color is the right color in some places, and whitish in other areas. The color is not consistent! I spent a lot of money on my shower remodel...now I’m stuck with this grout! I would NOT recommend!
by AMAE
1 person found this helpful
dries WHITE!!!!! BEWARE!!!
This is supposed to be bone colored. After it dried it was bright white!!!!!! It is lighter than the alabaster which is supposed to be a lighter color than bone! It also dries really fast and is a pain to clean up! It doesn’t wipe up and out of the edges of the tiles well. We matched to the tile in the store and this should have been darker than the tile not bright white!
by KMcAnally
Worked great with our Daltile Restore Bright White subway tiles. Start small, mix only a small am...
Worked great with our Daltile Restore Bright White subway tiles. Start small, mix only a small amount at a time, this box includes 2 bags. I mixed no more than 1/4 of a bag at a time sometimes even half of that.
by Bryan
1 person found this helpful
Beware!!!! Color is no where near what is pictured!!!
This was supposed to be bone grout! Look at the color on the box. We also compared the tile to the sample in the store! It came out bright white! I have alabaster in the regular grout which is supposed to be lighter than this and it is darker than this.
by KMcAnally
1 person found this helpful
My installer really liked this grout. He said it was fast and easy to use. I like it because it d...
My installer really liked this grout. He said it was fast and easy to use. I like it because it doesn’t require sealing. The color is off but fortunately that worked out okay as the Bone is white. There is no beige in it as pictured on the bag. And the color didn’t deepen over time. As others have observed, you may want to consider going with a darker color than pictured on the bag.
by HappyLady2
1 person found this helpful
light grey
This color was perfect for our bathroom only used it in the shower.
by eveeve
1 person found this helpful
Great smooth grout...I am a mosaic artist and used it...
Great smooth grout...I am a mosaic artist and used it for 2 mosaic floors...I t’s called charcoal but it is black black black.
by JANE
1 person found this helpful
Showing 1-10 of 616 reviews