I have just finished installing ceramic tile in my kitchen, and I am ready to begin grouting. I ran across an acrylic additive that is mixed in with the grout instead of water and I am wondering if anybody has used this type of stuff before. Is this stuff harder to work with during installation? Does it really help prevent the grout lines from cracking?
A word of caution re: grout additives. Most grouts on todays market have the additive already mixed in. This is in the form of a powders and are commonly called polymers. The bag should say something about being modified. There are still a couple of manufacturers that state you can add THEIR liquid latex if its going to be used in the exterior.
I do know for a fact that the formulas are specific to their systems.
So don't play chemist and use someone else's material with yours.
When in doubt, call their 800# and talk with the technical dept., that is what they are paid to do!