Rustins quick dry small job primer undercoat is for indoor and outdoor use used as a primer it is suitable for new and bare wood mdf plaster brickwork and cement it has high opacity and can be used as an undercoat on primed or painted surfaces this paint may be over coated with water or solvent based paints it also conforms to the toys safety regulations 1995 bsen71 part 3 which makes it ideal to use on childrens toys