After 23 years of cigarette smoke, these walls were coated in sticky yellow residue. A deep clean with TSP, followed by a shellac based primer, brought them back to life like new. Professional Cleaner Reveals What 26 Years of Cigarette Smoke Does to Walls Newsweek Removing nicotine stains from painted walls? Does Vaping Stain Furniture And Walls? Trends & News About Vaping & Vape Products Nicohit Even this fire clean up crew was shocked when they discovered these walls covered in cigarette residue BuzzFeed News Facebook