Interior/Exterior Primer Undercoat Prep Coat Dulux 1 Step Prep NEUTRALS 2.8L - Colour: Stonebread (half strength)Water Based Undercoat Sealer Primer Prep Coat Dulux Colour: Stonebread half strength Paint brand: Dulux 1 Step Prep Primer, Sealer, Undercoat No sanding required on most surfaces Superior adhesion Mould resistant Excellent coverage Interior and exterior Use 1Step Prep for all general paint surfaces including interior and exterior walls, ceilings, doors, windows, trim, and especially in kitchens, bathrooms and outside areas where mould could be a