Penetration of nicotine, soot, grease, dry water stains and coloring ingredients from plasterboard, covering problematic contamination on rigid foam panels such as Styropor® and acoustic ceiling panels and is easily suitable for follow-up work with wallpaper, emulsion paint and plaster. Particularly recommended for interiors that are quickly renovated and will be inhabited or used again at short notice, for example in hotels. For substrates such as concrete, cement and lime-cement plaster, masonry, gypsum substrates, fiber cement panels, also for adhesive dispersion plasters and wallpaper. As must be completely removed. If in doubt, carry out a test coat. Clean extremely contaminated surfaces with grease-dissolving household cleaning products. Treat heavy nicotine, soot or grease stai.