Differences between acrylic and urethane grout

[Maskeman]

What are the major differences between acrylic and urethane grout?
Warrenty?
Stain resistence?
Flexibility?

Thanks
Mike

[Chris]

Both the urethane and acyrlic grouts are pre mixed, easy to use. Both are stain resistant and don't require a sealer. If I'm installing a commercial job or installing the 18x18 tiles I would use the urethane grout. It's required for commercial applications to maintain the warranty and personally I just think the clean up is easier than the acyrlic.

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[Chris]

I've had really good luck using Krud Kutter to clean urethane grout film and mineral spirits for acrylic grouts. Krud Kutter has a very low odor, But I've heard it's difficult to get in Canada. You can also use Goof-Off, but it has more of an odor. And we all know what mineral spirits smell like! use only where in well ventilated areas.
Remember to work in a small area at at time when grouting!