Which Dyma-dot?

[commok]

its the help of this forum, I have successfully coated three garage floors with epoxy in the past 10years, but always used an Edco grinder with the diamond bars/wood wedges. The current offering at the rental place is an Edco dual head using Dyma-dots. The floor I am doing now is a two-car garage, no coating, looks like your average 30yr old garage floor - in good shape, but with 30yrs of use. The rental shop has 30grit and 70grit medium available. What grit would work best?

 

[benwah]

Without knowing how hard or soft the concrete is, you might want to grab both and see which one works best, just returned the other set.

 

[LegacyIndustrial]

30 grit.
The rental places usually stock the medium bond.


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[commok]

Thanks guys, going with the 30-grit in medium.... Sunbelt rentals is allowing me to pickup Thursday, for the weekend price of one day, so if the hard bond is needed, I can get them Friday... Thanks again!