Even this fire clean up crew was shocked when they discovered these walls covered in cigarette residue BuzzFeed News Facebook How long does vape smoke stay in the air? 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. Does Vaping Leave New Study Shows The Dangers Of Residue From Vapes Does Vaping Indoors Stain Walls Australia How to handle guests who break house rules and smoke in the house?