Levelling is the ability of a paint or coating to flow and produce a smooth film. Paint with good levelling will not pucker, ripple or show roller or brush marks. Mildew Resistance Mildew resistance is the ability of a painted surface to resist the growth of mould and mildew, which are caused by improper ventilation. Mould and mildew appear as black or grey spots on the surface. Moisture Resistance Moisture resistance is the ability of a painted surface to avoid being damaged by moisture. Monochromatic Monochromatic Colour Schemes are colour schemes that use the various intensities of one colour.