Loading... Please wait...
  • Image 1
  • Image 2

Grout Once 70 oz Unit - Stain Free Add Mixture For Grout

Ships In 1-3 Business Days
Calculated at checkout

Product Description

Product Details

Series - Grout Once - Stain Free Add Mixture For Grout

Size - 70 oz

Coverage - Mixes Up To 25#s Of Grout

25 Year Warranty

Sold By Unit

No Minimum

Questions? (248)688-9543

GroutOnce! can be used with Portland cement based grouts.

It is suitable for all color-fast Portland based grouts and polymer

reinforced grout.  GroutOnce! is not for use with other liquid additives,

epoxy, or urethane grout. GroutOnce! is a permanent seal and does not

require application of a topical sealer.  When used properly GroutOnce! 

forms a LIFETIME seal, and NEVER requires re-application.


Application Instructions


  1. Read entire label before using.

  2. Ensure you are using a Portland cement based grout mix.

  3. Follow grout manufacturer’s instructions for mixing grout using GroutOnce! INSTEAD OF WATER.

  4. Choose GroutOnce! is sized based on type of grout used, 70 oz for a 25 lb bag of sanded grout, 48 oz for an 8 lb box of un-sanded grout, and 27 oz for a 10 lb bag of sanded grout.

  5. Empty contents of grout package into a clean bucket, and THEN add the entire contents of the prescribed GroutOnce! size into the dry mix and agitate until thoroughly mixed.

  6. If mix is too dry add up to 3 oz of clean water for 70 oz and 48 oz sizes, and up to 2 oz of clean water for 27 oz size.  Do not dilute product prior to mixing.

When cleaning up use as little water as possible.





  1. Do not dilute product it is specifically formulated and sized for use as directed,

  2. USE INSTEAD OF WATER and not along with water,

  3. Is not compatible with epoxy or urethane grouts,

  4. Cannot be used in conjunction with other liquid grout add mixes,

  5. Grout should be allowed to dry "per grout manufacturer’s specification" (minimum 48 hours) before exposure to large amounts of water.

  6. Contains a modified siloxane that can be mildly irritating to skin, use precautions to minimize skin contact.


Additional Info



GroutOnce! is water based and environmentally friendly. 

GroutOnce! is a very low V.O.C. formulation.  

GroutOnce! will not affect clean up, workability, dry time, or pot life of grout. 

GroutOnce! will create a sealed grout that is crack resistant, mold and mildew resistant, water repellent, stain resistant and harder and denser.










Product Reviews

This product hasn't received any reviews yet. Be the first to review this product!

Click the button below to add the Grout Once 70 oz Unit - Stain Free Add Mixture For Grout to your wish list.