Berger Triple Prep Acrylic is a multipurpose preparation paint for use on interior and exterior surfaces to undercoat, prime and seal a surface. Berger Triple Prep Acrylic is ideal for use over aged enamels and over pre-painted surfaces where a water or an oil based paint has been previously used. Berger Triple Prep Acrylic has excellent tannin blocking and rust protection properties. With excellent gloss hold out, Berger Triple Prep Acrylic is the ideal preparation coat before painting with enamels, broadwall, or ceiling paints.