Bartoline Multi-Purpose Filler Powder is a specially formulated traditional powder filler ideal for repairs to plaster – plasterboard – wood – brick – stone and most other building materials. Easy to mix and simple to use – it has superb adhesive properties that keeps the filler firmly in place when dry. Provides a smooth surface for over painting or wallpapering. May be sanded when set. Dries rock hard to take nails or screws. Excellent for exterior use – providing it is sealed with paint or varnish when dry.