This can also be caused by contamination on the brush. The paint cannot adhere to the surface and draws away leaving unpainted areas. This is caused by painting over contaminated surfaces such as wax, oil or polish. It is important to seal the original stain by applying a coat of Polycell Stain Stop prior to re-decorating. This is usually caused by contamination of the underlying surface by soluble stains. If large areas are involved it will be best to totally strip the surface back to a bare surface and start again.
This is because dark colours absorb more heat than light colours.Īll loose material will have to be removed back to a firm edge, spot primed with the appropriate Dulux Primer, and then recoated with the appropriate product. Resin bleed and flaking is a common problem where dark colours are used on south facing elevations.
Polish residues on the surface, which impair the adhesion of the paint.Surface contamination such as dirt, oil, and grease.If the paint is applied over a powdery or friable surface.Moisture trapped beneath the surface of the paint film.This may be due to any of the following factors:
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