[RippySkippy]

Q: When you grout tile, primarily stone (slate and travertine), is it common practice to use grout latex additive as the moisture source?

Background: On several tile projects in our previous home, I did not us it. In our new house, I have at the recommendation of the tile shop where I purchased the stone tile. ALL grout was mixed with latex additive; floors, shower, raised tub surround. I have not witnessed any differences in performance and was just wondering if it really made any. I've also noticed when people talk and give recommendations on grouting...it's never mentioned. Why?

Just curious...

 

[Bob Mariani]

many grouts already contain the additive. If not is is helpful. It lowers the viscosity and increases the flexibility and adhesion.