PPG Paints SunTuf exterior paint was created with the New Zealand sun in mind. Formulated with UV Barrier technology, SunTuf protects your home from the sun's ageing effects and has a 25 year guarantee against flaking, peeling and blistering. This water based paint is fast drying, self-priming and only requires 2 coats on previously painted surfaces, so you can get the job done fast and right the first time.