- Produces stain resistant, dense grout joints
- Consistent color without shading or efflorescence
- Better performance and durability than traditional cement grout
- See More Details
Frequently Bought Together
Price:
$3197
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.
- California residents
- 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
Product Overview
- Produces stain resistant, dense grout joints
- Consistent color without shading or efflorescence
- Better performance and durability than traditional cement grout
Compare Similar Grout
|  |  |  | |
| Brand | Custom Building Products | Custom Building Products | Custom Building Products | Custom Building Products |
| Name | Prism #642 Ash 17 lb. Grout | Prism #644 Shadow 17 lb. Grout | Prism #647 Brown Velvet 17 lb. Grout | Prism #645 Steel Blue 17 lb. Grout |
| Price | $3197 | $3197 | $3197 | $3197 |
| Ratings | (536) | (536) | (536) | (536) |
| Product type | Cementitious | Cementitious | Cementitious | Cementitious |
| Flooring Material Features | Fast-drying,Moisture resistant,Mold/mildew resistant,No sealing required,Rapid setting,Sanded,Stain resistant | Fast-drying,Moisture resistant,Mold/mildew resistant,No sealing required,Rapid setting,Sanded,Stain resistant | Fast-drying,Moisture resistant,Mold/mildew resistant,No sealing required,Rapid setting,Sanded,Stain resistant | Fast-drying,Moisture resistant,Mold/mildew resistant,No sealing required,Rapid setting,Sanded,Stain resistant |
| Maximum coverage area (sq. ft.) | 1096 | 1096 | 1096 | 1096 |
| Location | Bathroom,Countertop,Exterior wall,Floor,Interior wall,Kitchen Backsplash,Shower,Swimming pool,Tub surround | Bathroom,Countertop,Exterior wall,Floor,Interior wall,Kitchen Backsplash,Shower,Swimming pool,Tub surround | Bathroom,Countertop,Exterior wall,Floor,Interior wall,Kitchen Backsplash,Shower,Swimming pool,Tub surround | Bathroom,Countertop,Exterior wall,Floor,Interior wall,Kitchen Backsplash,Shower,Swimming pool,Tub surround |
| Indoor/Outdoor | Indoor/Outdoor | Indoor/Outdoor | Indoor/Outdoor | Indoor/Outdoor |
| Flooring Product Type | Grout | Grout | Grout | Grout |
| Commercial / Residential | Commercial / Residential | Commercial / Residential | Commercial / Residential | Commercial / Residential |
| View Product | View Product | View Product | View Product |
Compare Similar Grout
| | | | |
| Brand | Custom Building Products | Custom Building Products | Custom Building Products | Custom Building Products |
| Name | Prism #642 Ash 17 lb. Grout | Prism #644 Shadow 17 lb. Grout | Prism #647 Brown Velvet 17 lb. Grout | Prism #645 Steel Blue 17 lb. Grout |
| Price | $3197 | $3197 | $3197 | $3197 |
| Ratings | (536) | (536) | (536) | (536) |
| Product type | ||||
| Flooring Material Features | ||||
| Maximum coverage area (sq. ft.) | ||||
| Location | ||||
| Indoor/Outdoor | ||||
| Flooring Product Type | ||||
| Commercial / Residential | ||||
| View Product | View Product | View Product | View Product |
Specifications
Dimensions
Maximum coverage area (sq. ft.)
1096
Product Width (in.)
10.5
Details
Color
Ash
Color Family
Gray
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
180-Day
Warranty / Certifications
Lifetime Warranty
Yes
Manufacturer Warranty
Eligible for Lifetime Warranty
Questions & Answers
111Questions17Answers
what colors does this come in
Asked by tt November 6, 20202
AnswersPrism Grout is available in all of our current grout colors. For further assistance please contact us at 1 800 282 8786 option 2.
Can I paint over this grout.
Asked by Cindy October 29, 20202
AnswersPrism Grout is cement-based and can be re-colored with a pigmented sealer or colorant. For further assistance please contact us at 1 800 282 8786 option 3.
Can this product be used on glass tile?
Asked by Sarah October 19, 20202
AnswersTo better have your question answered, please contact Custom Building Products at 1 800 282 8786 option 2.
I want to regrout my living room floor.How clean does the old grout need to be so the new grout w...
Asked by nod October 11, 20201
AnswerA minimum of 2/3's the depth of the pre-existing grout should be ground out prior to re-grouting with Prism Grout. For further assistance please contact us at 1 800 282 8786 option 2.
how much square footage does a 17lb box cover
Asked by lob October 9, 20202
AnswersCoverage 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 does it need to cure before kitchen appliances can be placed on it.
Asked by AngieC October 8, 20201
AnswerPrism Grout will require a minimum of 48 - 72 hours prior to normal surface traffic. For further assistance please contact us at 1 800 282 8786 option 2.
Does this work to waterproof tile joints? If not, what do you recommend (SKU#)?
Asked by MT September 29, 20202
AnswersPrism Grout is not waterproof. For further assistance please contact us at 1 800 282 8786 option 2.
Is this sanded grout? Can this be used for both wall tiles w 3/16" gaps and floor tiles with var...
Asked by MT September 29, 20202
AnswersPrism Grout does contain sand and is suitable for use in 3/16" joints. For further assistance please contact us at 1 800 282 8786 option 2.
how much area approximately does one bag cover, (and at what recommended thick ness for wall tile...
Asked by TherapLee September 2, 20202
AnswersCoverage for the Prism Grout will vary depending on the size of tile and joint dimension. For further assistance please contact us at 1 800 282 8786 option 2.
Can my client use bleach on the prism bright white grout for cleaning
Asked by Pat August 27, 20201
AnswerBleach is not recommended for cleaning grout. We would recommend a PH neutral cleaner like TileLab Grout and Tile Cleaner. For further assistance please contact us at 1 800 282 8786 option 3.
Customer Reviews
Overall Ratings
light grey
October 3, 2020
This color was perfect for our bathroom only used it in the shower.
Great smooth grout...I am a mosaic artist and used it...
September 9, 2020
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.
Needed to remodel the small bath in our house (built in 1960) this included the shower and floor....
August 25, 2020
Needed to remodel the small bath in our house (built in 1960) this included the shower and floor. I have used Custom Building Products grout for years but not the Prism line until now. The prism grout worked perfect, easy mixing (no lumps) and was easy to float, it dose set up faster than the regular line of grout, this can be good or bad depending how fast you work. Cleanup is a bit sticky compared to the regular line of grout but is worth it for a better product, time will tell if it lives up to its "stain resistant - no sealer required" statement. The only downside is that they do not recommend using it with glass tile, had to use the regular smooth grout for those tiles, beyond that, great product.
Prim is very easy to use and help you make...
July 30, 2020
Prim is very easy to use and help you make a good job!!
WRONG COLOR IN BOX
March 25, 2020
The box has two bags and you would assume that they would be the same color as written on the box. NOPE! One bag was "earth" (what I purchased) and the other bag looks like "linen" in the same EARTH box. So now we have half the main room in one color and the other half in a light color. I am so angry I don't even know how to write this review in a calm manner.
This was a great product to use and looked awesome once we got it up!
March 3, 2020
This was a great product to use and looked awesome once we got it up!
love this grout sooo easy to work with
February 23, 2020
I purchased Prism grout based on the claims of the product and recommendations to use manually mixed grout on my biggest tile project yet, 345 sf of ceramic tile. I had previously used pre-mixed sanded grout on a couple small entryway tile projects and found it dried quickly and was extremely hard to clean off the tiles before it dried. The Prism grout has finer sand, almost mixes itself into lump free state. I mixed half a bag at a time, and it never dried out on me. My grout lines were 3/16, and it laid in them beautifully. I worked the edges of 4-5 12x24” tiles at a time before floating and wiping clean. It did dry a lot lighter than the swatch on the bag but darkened to a satisfactory color after sealing it. It left a haze on the tiles, which I went back over and wiped off once with water the next day, followed by two cleanings with haze remover, and the tiles looked good as new. Sealed the grout lines (had to let the sealer really soak in to darken the grout) and tiles. My customer is very happy. As far as the grout color, I will simply choose a darker color next time. I will definitely use this grout again.
Rating provided by a verified purchaser...
February 12, 2020
Rating provided by a verified purchaser
Rating provided by a verified purchaser...
January 31, 2020
Rating provided by a verified purchaser
this grout was easy to use and to clean, now let see how long it will be in place and keep clean
January 28, 2020
this grout was easy to use and to clean, now let see how long it will be in place and keep clean
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