Ready to use filler for use on interior walls and ceilings, straight from the tub. Easy to sand down and it wont flash or grin, so there's no need to spot prime. Can be used on new or renovated substrates, either unpainted or painted: gypsum plaster, plasterboards, old painted surfaces, cement, concrete, cellular concrete, breeze blocks, bricks and stone. Can be overcoated in 12-24 hours with any conventional paint or wallpaper. For Internal Use Max. Depth: 10mm Paintable after 24hrs Easy to Sand No Need to Spot Prime Will Not Flash or Grin Easy to Apply For Internal Use Max. Depth: 10mm Paintable after 24hrs Easy to Sand No Need to Spot Prime Will Not Flash or Grin Easy to Apply