Dulux Trade Weathershield Smooth Masonry Paint is a high-performance exterior wall paint formulated for professional use, offering easy application and excellent opacity. The 2021 formulation includes an advanced active ingredient to inhibit mould and algae growth within the paint film, keeping your exterior walls cleaner for longer. It also features anti-fade technology for lasting colour. This masonry paint is shower resistant in just 30 minutes and provides up to 15 years of protection (BBA approved). For best results, apply with a brush, roller, or spray after stirring well. Ensure surfaces are clean and dry before application. For new or bare surfaces, apply a thinned coat (1 part water to 5 parts paint) to seal the surface before applying two regular coats.