The weak prime layer of concrete is recognized as laitance. This is certainly produced by surplus bleed drinking water when trowelling the finish, or through the spraying of additional water, a way frequently used to smoothen the concrete. It'll be awful any way you need to do it. Feels http://jeffreymkhcz.fitnell.com/22304159/the-single-best-strategy-to-use-for-long-lasting-garage-floor-paints