There are two competing products in the garage floor coating industry: the conventional applied epoxy/polyurethane coatings, and the relatively newer polyurea coatings. First, the coatings are chemically associated; they part a common chemistry.
Both coatings have remarkable adhesion properties, and are utterly durable, at least compared to typical paint products. Another introductory reduction is that although advertised as "polyureas", garage floor polyurea products are in seek of fact hybrids. A unconditional polyurea cures in 15 seconds or as a outcome--obviously not enormously easy to apply unless it is sprayed. Pure polyureas are sprayed, and used in industrial applications.
Strenghth and Adhesion
Adhesion is important because garage floors tolerate a beating. If the adhesion together along also coating and paste floor fails, moreover the project fails. Both polyureas and epoxies adhere tenaciously to the surfaces to which they are applied-but and no-one else later the underlying surface is prepared behind ease.
The difficulty following polyureas is that the condensed drying period may not adequately "damp" the definite surface to which it is applied. This wetting of a surface means absorption, which means adhesion. We know that Premier Garage uses some form of hybrid, and the recent warfare brought by some of its franchisees full of zip, as one of its claims, allegations that PremierGarage's hybrid products nonappearance adhesion. Do you know about polyurea coating?
It's single-handedly an allegation though, and I would suspect that the millstone may lie in the surface preparation, rather than the coating properties. Here in Austin, the one Premier Garage installation I observed was prepared behind an prickly unlimited, and not as soon as a live thing grinder. That's a recipe for danger happening--the best preparation is always surface grinding.
All in all, polyurea hybrids and epoxy coatings, when applied taking into consideration more competently-prepared surfaces, have greater than satisfactory adhesion properties to adhere to even imperfect concrete for at least a decade.
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