Dulux Weathershield has been specially designed to provide a tough, hardwearing finish that provides protection from all weather conditions. Formulated with MaxiFlex Technology to expand and contract with the surface, Dulux guarantees Weathershield won’t peel, flake or blister for as long as you live in your home. Maxiflex Technology Dulux Weathershield has been specially designed to provide a tough, hard wearing finish. As weather conditions change, surfaces expand and contract. Dulux Weathershield is formulated with MaxiFlex Technology to flex with the surface providing long lasting protection for as long as you live in your home.