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Prism #115 Platinum 17 lb. Ultimate Performance Rapid Setting Grout

$4327
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  • Uniform consistent color with no efflorescence - #115 Platinum
  • Lightweight for superior handling
  • Fast setting, cures quickly, walkable in four hours
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Product Details

Prism Ultimate Performance Grout sets a new standard in cement based 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
  • Return Policy
  • California residents
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Specifications

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Questions & Answers

205Questions
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Q:My tiling supplier that I just bought new, glass (and very pricey) mosaic tiles from told me to use non sanded grout as the sanded grout will scratch the tiles. Would this Prism grout be suitable? I can?t afford a costly mistake here.
by|Jul 28, 2023
2 Answers
Answer This Question

A:  To better have your question answered, please contact Custom Building Products at 1 800 282 8786 option 1

by|Jul 31, 2023

    A:  Prism Grout contains sand. For further assistance please contact us at 1 800 282 8787 option 2.

    by|Jul 31, 2023
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      Q:Does the grout have a expiration date / shelf life and how long?
      by|Jul 22, 2023
      2 Answers
      Answer This Question

      A:  Prism Ultimate Performance Grout has a 'best if used by' time frame of approximately 24 months from the date of manufacture. For further assistance please contact us at 1 800 282 8786 option 2.

      by|Jul 24, 2023

        A:  To better have your question answered, please contact Custom Building Products at 1 800 282 8786 option 1

        by|Jul 24, 2023
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          Q:I am installing 8x48 porcelain flooring in my kitchen ' Approx 150 sq/ft. What would be the proper tile spacing and approx how much grout would I need
          by|Jun 25, 2023
          2 Answers
          Answer This Question

          A:  Prism Grout coverage will vary depending in grout joint dimension. For further assistance please contact us at 1 800 282 8786 option 2.

          by|Jun 27, 2023

            A:  To better have your question answered, please contact Custom Building Products at 1 800 282 8786 option 1

            by|Jun 27, 2023
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              Q:We used this and notice the grout gets darker when water gets on it and the water doesn't bead up. Does this mean it wasn't sealed properly or used properly?
              by|Jun 22, 2023
              3 Answers
              Answer This Question

              A:  To better have your question answered, please contact Custom Building Products at 1 800 282 8786 option 1

              by|Jul 7, 2023

                A:  I haven’t had any issues with my grout. As far as I know it wasn’t sealed.

                by|Jun 22, 2023

                  A:  Prism Ultimate Performance Grout can be sealed with a penetrating sealer to help minimize its porosity. For further assistance please contact us at 1 800 282 8786 option 3.

                  by|Jul 9, 2023
                    1 found this answer helpful
                    Showing 1-4 of 205
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                    Customer Reviews

                    4.3 out of 5
                    (1,069)
                    • 4.3
                      out of 1,069 reviews
                    • 62% recommend this product
                    Filter by:
                    Showing 1-10 of 1,069 reviews
                    Tips For Working with This Grout - Rolling Fog
                    Great stuff. -Dries too fast/hard to clean off the tiles? Mix 1/2 bag at a time. DON’T mix with drill. Adds too much air, & makes grout dry too quick/much harder to work. Mix by hand for 5 min. Let sit - 5 min. Mix again, and grout. Wipe/tool within 20 min. -Wrong color/mottling when dry. Too much water used. Wring sponge out completely before wiping. See pics for box swatch vs dry Rolling Fog color. Pretty close. Mix a small dab, and let it dry to test final color before using.
                    by
                      • Recommended
                      problems with product setting up too fast
                      This grout set up within 15 minutes after you add the water you do not have time to work it into the grout lines. I mixed a half of a box one bag and only had 15 minutes and it had started setting up. I lost half of the first bag. I would not recommend it at all.
                      by
                        • Recommended
                        1 found this review helpful
                        TOTAL CRAP
                        DO NOT buy this product! Doing a laborious job of flooring requires ample time and money. The color I chose was Oyster Gray. NOT EVEN CLOSE. The color on the box is NOT what it dried as! And it dries FAST, and clumps up! When it was wet, it looked great. Then, we began to see white areas coming through. We thought it was just the haze forming, but then the whole project ended with WHITE grout! Now we’re stuck with a floor that isn’t what we wanted. How can this company sell this junk?
                        by
                          2 found this review helpful
                          Charcoal Color is WAAAY Off
                          We bought this product to match a black floor tile (also purchased at Home Depot). The sample on the box was almost a perfect match, which should have resulted in hard-to-see grout lines. Instead, we got this light gray color that is anything but hard-to-see. Not to mention the 3 hours spent wiping down a 140 sf roof to get rid of the grout haze, which is still hanging around. Do not buy!!!
                          by
                            2 found this review helpful
                            love the color
                            Used it on new shower build. Turned iut better then expected
                            by
                              • Recommended
                              Easy to use, clean bright white
                              I tiled my backsplash with Daltile Restore Bright White Subway tile. I bought Prism Bright White grout assuming it would be a bright white. Before grouting I went back to HD to check out their wall tile samples that used Prism Bright White. It appeared to be more of an off white, beige color rather than white. I decided to buy Arctic White and I am glad I did. It is a true bright white grout that blended perfectly with my bright white tile. Second time I used Prism grout. I highly recommend it.
                              by
                                • Recommended
                                3 found this review helpful
                                Color doesn't match- BONE
                                Another disappointed customer. Product was supposed to be BONE, it's drying to a light grey color. Terrible coloring. Should have read the reviews first and used the Mapei universal grout product instead.
                                by
                                  2 found this review helpful
                                  Trash
                                  I being trying to get customer service and they just put you on hold for hour. I bought this for my subway tile . I wish I would just listing to what people said I. The comments. I following the instructions to a t. Mix the one bag. Use my measurement cup. Mix it for 5 min. Let it set the hold 9 yard. This stuff dry up so fast in my bucket . That was a whole pack just about lost. This is crazy. They just took my money like this and not answer there phone to tell my why. A big wait cost me money
                                  by
                                    2 found this review helpful
                                    Beware
                                    I wish I had read other reviews first before deciding on the bone grout. I went back n forth trying to pick a color that wasn’t too light since I was concerned about it getting dirty but wanted a cleaner look. I chose bone because it is supposed to be a pretty beige but it dried white. Depending on the lighting it doesn’t look as bright, but it is white. I am extremely worried about the upkeep but I’m now stuck with it. Although it doesn’t look bad with my tile color, I preferred a more blended look. I truly wish I would have chosen a darker color.
                                    by
                                      2 found this review helpful
                                      Worked great smooth and nice
                                      Did the trick went on nicely. Very nice grout was smooth and easy to use. Looks beautiful.
                                      by
                                      • Verified Purchase
                                      • Recommended
                                      2 found this review helpful
                                      Showing 1-10 of 1,069 reviews

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                                      BrandCustom Building ProductsCustom Building ProductsCustom Building ProductsCustom Building Products
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                                      Ratings
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                                      Product typeCementCementCementCement
                                      Flooring Material FeaturesFast-drying, Moisture resistant, Mold/mildew resistant, No sealing required, Rapid setting, Stain resistantFast-drying, Moisture resistant, Mold/mildew resistant, No sealing required, Rapid setting, Stain resistantFast-drying, Moisture resistant, Mold/mildew resistant, No sealing required, Rapid setting, Stain resistantFast-drying, Moisture resistant, Mold/mildew resistant, No sealing required, Rapid setting, Stain resistant
                                      Maximum Coverage Area (sq. ft.)1369 sq ft1369 sq ft1369 sq ft1369 sq ft
                                      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
                                      THD SO SKU 100131951110010241721001024197
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