Quick-dry filler for interior surfaces. Can be filled to any depth without shrinking and offers exceptional adhesion with excellent shaping qualities. Easy to sand and wont flash or grin, so theres 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 3 hours with any conventional paint or wallpaper. Do not overcoat with polyurethane or solvent-based epoxy paints. For Internal Use Paintable After 3 Hours No Depth Limit Excellent Adhesion & Easy to Sand Will Not Flash, Grin, Shrink or Slump No Need to Spot Prime For Internal Use Paintable After 3 Hours No Depth Limit Excellent Adhesion & Easy to Sand Will Not Flash, Grin, Shrink or Slump No Need to Spot Prime