A specially formulated powder filler, ideal for repairs to plster, plasterboard, wood, brick, stone and most other building materials. Easy to mix and simple to use. It has superb adhesive properties, which keps the filler firmly in position when dry. Provides a smooth surface for overpainting or wallpapering. May be sanded to a smooth finish when wet. Dries rock hard to take nails or screws. Suitable for exterior use, providing it is then sealed with paint or varnish after drying.