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Internet # 313291658

Model # PBPG38625

Store SKU # 1005399916

Polyblend Plus #386 Oyster Gray 25 lb. Sanded Grout

$22.67
  • Brighter, more vivid finished color - #386 Oyster Gray
  • Improved performance, better resistance to efflorescence
  • Easy to use - Just mix with water
  • View More Details

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Product Details

About This Product

Polyblend Plus has all of the great features of original Polyblend, plus some new value-added enhancements to improve performance, finished color, and color consistency. It is now an ANSI A118.7 polymer-modified, cement based sanded grout that produces hard, dense joints that resist shrinking, cracking, and wear. Formulated for durability, Polyblend Plus Sanded Grout accommodates 1/8"-1/2" (3.1- 12.7 mm) joints for interior or exterior installations, including floors,countertops, walls, ceilings, showers, fountains, and pools.

Highlights

  • Use to fill joint widths 1/8 in. to 1/2 in.
  • Curing times vary depending on conditions, standard cure time is 72 hours
  • Better resistance to efflorescence
  • Resistant to shrinking, cracking and wear
  • Excellent for ceramic, porcelain, glass, natural stone tile as well as other tile types
  • Polymer fortified for hard, durable, professional results
  • Can be used on floors, walls, countertops, tub surrounds, showers and in submerged conditions (swimming pools, spas, water features and fountains)
  • 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
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Product Information

Internet # 313291658

Model # PBPG38625

Store SKU # 1005399916

Specifications

Maximum Coverage Area (sq. ft.): 688 sq ft

Dimensions

Maximum Coverage Area (sq. ft.)

688 sq ft

Details

Capacity

25 lb.

Color

Oyster Gray

Color Family

Gray

Dry time (hours)

72

Flooring Material Features

Crack resistant

Flooring Product Type

Grout

Flooring Type

Cement, Ceramic, Glass, Porcelain, Stone, Tile

Location

Bathroom, Ceiling, Countertop, Exterior wall, Floor, Interior wall, Kitchen Backsplash, Shower, Swimming pool, Tub surround

Product type

Sanded

Returnable

90-Day

Warranty / Certifications

Manufacturer Warranty

Eligible for Lifetime Warranty

Questions & Answers

Does this bone colored grout have any yellow undertones?
ByFeb 5, 2026
1 Answer | 
Answer This Question

Please see one of our Grout Solutions color brochures prior to selecting a color for you project. For further assistance please contact us at 1 800 282 8786 option 2.

By|Feb 6, 2026
    0/0


    Is it premixed
    ByJan 23, 2026
    1 Answer | 
    Answer This Question

    Polyblend Plus Sanded Grout requires mixing with water prior to use. For further assistance please contact us at 1 800 282 8786 option 2.

    By|Jan 26, 2026
      0/0


      We have been using our shower for about 3 weeks, when it dries out I noticed discoloration of the grout. Is this normal? Did the product fail?
      ByJan 2, 2026
      1 Answer | 
      Answer This Question

      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 2.

      By|Jan 5, 2026
        0/0


        Can in use this product outdoors? Does it work on cement?
        ByDec 31, 2025
        1 Answer | 
        Answer This Question

        Polyblend Plus Sanded Grout is suitable for exterior use. For further assistance please contact us at 1 800 282 8786 option 2.

        By|Feb 5, 2026
          0/0


          Is linin the same color as sandstone
          ByDec 26, 2025
          1 Answer | 
          Answer This Question

          Polyblend Plus Sanded Grout #122 Linen is not the same color as #180 Sandstone. For further assistance please contact us at 1 800 282 8786 option 2.

          By|Dec 29, 2025
            0/0


            What is the temperature range this is suitable/rated for (min & max)? Note: Not when applying product but rather temperature range when cured.
            ByNov 22, 2025
            1 Answer | 
            Answer This Question

            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 2.

            By|Nov 24, 2025
              0/0


              To mix a small batch, what is the recommended ratio by volume of grout powder to water?
              ByNov 14, 2025
              2 Answers | 
              Answer This Question

              I asked two different AI models and got the answer 1 part water to 5.5 - 6 parts grout mix.

              By|Nov 19, 2025
                0/0

                (1)

                Polyblend Sanded Grout can be mixed by volume at an approximate 3:1 ratio; 3 parts grout to 1 part water, mix to a peanut-butter consistency. For further assistance please contact us at 1 800 282 8786 option 2.

                By|Jan 20, 2026
                  0/0

                  (2)

                  is this similar to Polymer sand
                  ByNov 11, 2025
                  1 Answer | 
                  Answer This Question

                  Polyblend Plus Sanded Grout is not comparable to polymeric sand. For further assistance please contact us at 1 800 282 8786 option 2.

                  By|Nov 12, 2025
                    0/0


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                    Customer Reviews

                    4.5 out of 5

                    • 4.5 out of 2,255 reviews
                    • 63% recommend this product
                    Filter by:
                    Showing 1-10 of 2,255 reviews
                    The Custom Building Products Polyblend Plus 122 Linen 1 lb. Sanded Grout really impressed me with how easy it was to work with and the professional finish it delivered. The Linen color offers a soft, warm neutral tone that blends beautifully with a variety of tile styles without overpowering the overall design. I found the consistency smooth and manageable, making application and cleanup straightforward—even for smaller projects. It dries evenly with a durable, crack-resistant finish that feels solid and long-lasting. Overall, it’s a reliable grout choice that balances performance, color consistency, and ease of use.
                    by
                    Horrible color and multiple shading issues
                    Garbage product from a garbage company. Came out unevenly colored and 12 shades lighter than the sample, and company advises to color it by purchasing more of their products. What a scam.
                    by
                      Great product easy clean up.
                      by
                      Great look! Wife is happy!
                      by
                      • Verified Purchase
                      I live in a 30-plus year old apartment with hairline cracks in the kitchen tile and gaps in the grout hear and there. This little bucket of Polyblend Grout was exactly what I needed to mix up a micro batch and fill in those gaps. I was concerned about color matching, but it blended in really well. No special tools like a float or big sponge. Just a skinny craft stick and a damp paper towel for wiping away excess grout.
                      by
                      • Verified Purchase
                      Great color! But for some reason the color is inconsistent at times. Overall, very happy with our choice. Delivery was delayed 2x so if you purchase it and select delivery to store, be prepared to wait a few extra days than they say. We paired this grout with the Noble Red Brickweb. Came out a perfect match for our basement.
                      by
                      Worked and ease of use was wonderful.. great color for the grey tiles used
                      by
                      The Delorean Gray sanded grout worked well with the existing tile with gray grout and the pebbled tile
                      by
                      First time using grout
                      This was my first mosaic tile project so if you’re in the same boat as me, here’s some advice: don’t pour the water into the same container as the grout sand because you will never have enough surface area to truly mix it correctly. Instead, find a slightly bigger container or a bucket with more surface areawhere you can really spread out the water and mix it well with the sand I wasted two tubs of this stuff, figuring that out. Also, the water fill line indicator is on the side of the container— It is NOT the top ridge inside the container.Overall, it did look good with the tile I picked out.
                      by
                        • Recommended
                        I had a small section of tile in our master bathroom that needed re-grouting, and the 1 lb container of Polyblend #122 sanded grout was perfect. I followed the directions for how much water to add and mix. Applying it was simple, and cleanup was just as easy. The next day, after the grout had dried, I added sealer. I was really satisfied with how grout turned out.
                        by
                        • Verified Purchase
                        1 found this review helpful
                        Showing 1-10 of 2,255 reviews