The Toupret Joint Filler 1 Hour is a high-performance, fast-setting powder filler supplied in a large 15kg bag, specifically designed for filling and taping plasterboard joints. This professional-grade filler is known for its rapid 1-hour setting time, allowing decorators and builders to apply and sand the product quickly, significantly speeding up project completion. It provides an exceptionally smooth finish, is easy to mix and apply, and possesses excellent adhesion without cracking, even in deep joints. It is formulated for use on interior plaster and plasterboard surfaces, creating a perfect, durable base ready for painting or wallpapering.