Fishstone GFRC Bag Mix

(3 reviews)
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Fishstone GFRC Pre-Blended Bag Mix, 45lb bag 

Fishstone GFRC Mix is a proprietary blend of Sand, Cement, Pozzolan, Polymer and performance admixtures designed to make GFRC mixes easy, durable and reliable. For orders of 5 bags or more call for freight shipping options and pricing.

  • Easy to use and no batching.  
  • Contains all of your GFRC components...JUST ADD WATER! (Addition of AR Glass Fibers are required for backer coats)
  • No errors in weighing out individual components,  with consistent results in every bag. 64 bags per Pallet
  • Off white in color for endless color options

  • Contains 22.5lbs cement per 45lb bag of GFRC Mix (add up to 2.25lbs pigment for desired color)

  • Proper training should be obtained before applying this product to achieve consistent results

  • Refer to product TDS for further details and instructions

 Mixing and Application:

  • In a clean mixing bucket add 6.5-7 lbs water per 50lb bag of GFRC Mix. Add 80% of mix to water and mix well...then add balance of GFRC mix to mixing bucket. If a more fluid mix is desired sparingly add Optimum 380 water reducing admixture to desired consistency.

  • For Backer mixes add 1.5lbs AR Glass fiber per 45lb bag of GFRC mix.


  • One 50lb bag will produce approximately .4 cubic feet of concrete.

  • One bag will cover approximately 9 square feet at 1/2" thick or 4.5 square feet at 1" thick.

For a detailed set of instructions click here


  • 5
    First Timer

    Posted by John Jefferies on Nov 23rd 2022

    First time using GFRC concrete after watching a youtube and was amazed at how nice my table came out. I would post a picture but not sure how to do that.

  • 5
    Easy to use first time, no pinholes

    Posted by Matt on Oct 27th 2022

    First time project turned out flawless. No pinholes, just add water and spray on first coat, used fiber in backer coat. Expensive, but for simple/small project you are paying for excellent finished product. 4/5 for expense and shipping, otherwise highly recommend

  • 5
    This Mix is Great

    Posted by Channing Atkin on Oct 27th 2022

    Not completely white. If wanting white, add pigment. Wish there was somewhere closer than Illinois selling this great ready made mix. Or that it was easier making from scratch. This is perfect for casting tables and countertops, with the added fiber or meshing of course.