Quickly and easily fill gaps in your walls up to 10mm with Ronseal's Quick Drying Smooth Finish Filler Tube. Suitable for plaster, stone, concrete, and wood, this filler dries quickly and provides a smooth finish that can be painted over in just 30 minutes. Once dry, the filled area can be drilled. Ronseal's Quick Drying Smooth Finish Filler Tube quickly fills gaps in walls up to 10mm. It's suitable for plaster, stone, concrete and wood and once dry the fill can be drilled. It is quick drying and can be painted over in just 30 minutes!