Etching is a step that sometimes gets overlooked when it comes to applying garage floor paint. However, for an ECO coating to be able to properly do most of its job, etching is absolutely necessary. Most garage floor coatings can be applied, and will probably last for a while without etching first, but there are quite a few benefits to etching that make it worth doing, in most people's opinions.
Although the end result will give the user a slightly better grip if we're talking about a drinking glass, etching is generally done on glass for decoration. With garage floors, decoration is generally not the primary goal, although the results do look better than the alternative, which is a liquid smooth mirror finish, to some eyes.
You don't have to etch your concrete garage floor when applying ECO, but there are some very good reasons why you will probably want to. For one, the increased traction that ECO can provide comes from etching, and it will be absent if the floor is not etched. This can cause slips, falls, and other assorted chaos, and driving on such a slick surface can also be irritating.
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