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Grinding vs. Priming for Epoxy Floors

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12:25
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Do You Really Need to Grind Concrete Before Epoxy? | Garage Floor Prep Explained

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The discussion begins with the 'Idaho Painter' noting his practice of not grinding floors for residential epoxy applications, instead using primers. He questions whether this approach is acceptable, especially compared to the traditional methods of acid staining or mechanical grinding. Tony Swartz from Rust-Oleum clarifies that the necessity of grinding depends on the specific job or project, particularly distinguishing between residential and industrial settings. He emphasizes that typical residential garage floors, which primarily experience automotive traffic, do not face the same extreme conditions as industrial floors with heavy equipment or forklift traffic.

Goal: Determine the appropriate surface preparation method based on project type.

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know, today. And we just got done filling saw cuts. We got done filling cracks and we're going to begin starting our epoxy floor tomorrow and throwing some flakes and stuff. But one of the questions I get quite a bit about our system, the system that I use is um you know, I don't grind. And so I've never ground a floor before in I think 25 years applying uh floor coatings. I've used acid stains. Now I actually prime instead of you not acid stains but muratic acid. And now I actually just prime, you know, using a Rustoleum product. And you got some insight on that that might help, you know, my audience, you know, understand this process. So I typically only do residential garage floors. I'm not doing industrial floors. I'm not doing floors where heavy equipment is driving on. It's like this. This is a new construction house. This is just going to be, you know, um, automobile traffic in it. So, is it right or wrong to uh not, you know, grind a floor before you actually uh do your coatings? It's a absolutely a great question and the answer is yes and no. >> Okay. >> It really depends on the the job or the project. So, one of the toughest things that a floor can experience is the dry turning of vehicle tires, forklift traffic, um you know, dropping heavy items on there. That's not really a concern in the residential setting, >> right? >> We we haven't in this particular application, we have a brand new slab.

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