Gyproc Easi-Fill is a lightweight plasterboard joint filler and finisher, formulated for easy mixing and sanding, with a consistent setting time. It can also be used for various other internal filling and adhesive applications. It is a gypsum-based material that combines setting and air-drying characteristics, making it suitable for both bulk filling and finishing of joints. The product is known for its high coverage rate and minimal drying shrinkage, allowing for a finished joint to be achieved in just two coats. It can be applied by hand or using mechanical jointing tools.