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. Do Air Purifiers Help with Vape Smoke? Smart Air Does Vaping Damage Your Walls? Let's Find Out! Vapoholic How to Clean Cigarette Smoke off Walls PuroClean It's Not Just Cigarettes: Vape Residue Sticks on Surfaces Too Thirdhand Smoke Resource Center Does Vaping Leave a Smell? Tips for Freshness