Dulux Precision Stain & Mould Blocker is an interior and exterior water based, fast drying, powerful stain blocker for a wide range of oil based stains. It blocks stains ensuring they do not migrate through subsequent coats of paint.

Dulux Precision Stain & Mould Blocker has been specifically formulated to inhibit mould and mildew growth. With excellent adhesion properties, it is suitable as a primer, sealer and undercoat.