Need to make strong repairs to plaster, stone, concrete or wood? Ronseal Multi-Purpose Powder Smooth Finish Filler is the ultimate, high performance filler. This filler gives excellent adhesion, fills gaps up to 40mm deep. A blend of superfine chalk and white plaster with added powdered polymer. Areas of use: Walls and ceilings.Application: Filling Knife.Drying time: 1-2 hour.Protection level: High.Can be drilled once dried hard.Comes in air tight bag.Easy to mix.Buttery texture when mixed.Extremely easy to sand. Various sizes available.