Have you noticed small droplets appearing on your fresh coat of acrylic paint? Don't panic – it’s a normal part of the curing process. Find out more. Yellowing describes the development of a yellow cast in aging paint solvent-based enamels. Find out more. Wrinkling is a term to describe a rough, crinkled paint surface, which occurs when uncured paint forms a 'skin'. Find out more. Sagging is the downward "drooping" movement of the paint film immediately after application, resulting in an uneven coating. Find out more. Roller spattering is when a paint roller throws off small droplets of paint during application. Find out more. Roller marks and stipple are the unintentional textured pattern left in the paint by the roller. Find out more. Shiny spots or dull spots (also known as 'flashing') on a painted surface; uneven gloss. Wearing away or removal of the paint film when scrubbed with a brush, sponge, or cloth. Failure of dried paint to obscure or 'hide' the surface to which it is applied. Failure of paint to dry to a smooth film, resulting in unsightly brush and roller marks after the paint dries. An effect of non-uniform colour, or sheen level that can appear when a wall is painted with a roller, but is brushed at the edges and corners. Appearance of a denser colour or increased gloss where wet and dry layers overlap during paint application. Formation of bubbles (foaming) and the resulting small, round concave depressions (cratering) when bubbles break in a paint film, during paint application and drying. Splitting of a dry paint film through at least one coat as a result of aging, which ultimately will lead to complete failure of the paint ... The gloss of paint can wear down when subjected to rubbing, scrubbing or having an object brush up against it.