Poor hiding is exactly what it sounds like. It’s the failure of your dried paintwork to obscure or 'hide' the surface to which it is applied.
Before you reach for the roller again, your problem isn’t necessarily the amount of paint. It’s more likely to be one of the following:
Use of low quality paint
Use of low quality tools or the wrong roller cover
An improper combination of tinting base and tinting colour
Poor flow and levelling (see Poor flow and levelling)
Use of a paint that is much lighter in colour than the substrate or that primarily contains low-hiding organic pigments
Application of paint at a lower spread rate than recommended
If your substrate is significantly darker than your chosen paint colour, or features a pattern, it should be primed before applying the top coat system. Always use premium quality paint for better hiding and flow. Using quality tools is also important as well as the recommended roller nap, if using a roller. Always follow manufacturer’s recommendation on spread rate and if using tinted paint, be sure to use the correct tinting base.
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