Graffiti is a very difficult problem to deal with and may require a specialist removal company in the most severe cases. Normal decorative paints are not suitable for painting over graffiti as many felt marker inks and aerosol spray paints tend to bleed through conventional coatings. Take great care when attempting to remove graffiti from unpainted surfaces, especially when the substrate is porous. To avoid permanent damage to the affected area it may be best to seek professional advice. Dulux Trade offer a range of Anti Graffiti products that are specially designed for regular washing and help to ease the removal of the graffiti.
Before painting over graffiti use two coats of Stain Block Plus