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Understanding Polyurea Coatings

1:59
10:31
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At 1:59 in

What is Epoxy?

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The discussion then shifts to polyurea coatings. Tony explains that polyurea is a resin coating material known for its waterproofing abilities and flexibility. It provides significant flexibility to the flooring system, which helps prevent micro-cracks in the concrete from showing through. Polyurea also creates a slightly deeper bond to the concrete surface, enhancing its resistance to wear and tear. While the idea of polyurea bonding 'better' than epoxy is debated, proper surface preparation ensures that for both, concrete failure occurs before the coating fails. The key characteristic of polyurea is its flexible, 'rubbery' feel, as opposed to epoxy's hard, plastic-like feel.

Goal: Learn about polyurea's flexibility, waterproofing, and adhesion advantages for concrete coatings.

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of a bond to a concrete surface uh providing uh excellent wear and tear for the long term. So, a polyurea bonds better than an epoxy. Yes and no. Uh it's kind of a little bit of misleading. Uh well, I shouldn't say misleading, but uh there there's all debate. It's tough to actually accurately tell if it is or not bonding better simply because the pull-off test that's utilized to determine adhesion, whether that's an epoxy or a polyora technology, if the surface is prepared properly, they're both going to have concrete failure before the coating fails. And and so really the primary benefit of the polyurea is that flexibility. So the the coating is actually actually flexible. Correct. The coating is more flexible. And I guess the simplest way to describe it is if I touch an epoxy floor, it feels hard. It feels like a plastic. If I touch a polyurea floor, it's going to have slightly more of a rubbery type finish. All right. So that that definitely makes sense. So I've never heard that before. That's um good knowledge there. So the other term I hear is polyaspartic. What is a polyaspartic? Definitely. So polypartic is a resin. Again uh normally a term that you'll see with the polyespartic is alifhatic polyaspartic. Uh whereas epoxy and polyurea will discolor when exposed to forms of sunlight or different types

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