Wall Wash with Biosolv Cleans smoke damaged hard surfaces, Tough enough to remove heavy smoke and grease residues on painted surfaces, metal, concrete, tile, sealed or unsealed wood, hard floors and wet cleanable fabrics. Powers through greasy soils on carpets and upholstery. Gentle enough to use as a traffic lane cleaner or upholstery pre-spray. Wall Wash is formulated with proprietary brightening and deodorizing agents for cleaning smoke-damaged hard surfaces. This product is especially effective for prepping walls for painting ? it quickly removes both oily and dry soot, and does not require rinsing when used as directed. Especially effective for cleaning up after grease fires. A truly multi-use product, Wall Wash can also be used as a powerful degreaser for parts washing and can be added to any cleaning agent to boost odor control. Use Instructions As a wall cleaner: 1. Remove excess smoke and soot using a lamb?s wool duster or HEPA filter