How Vaping & E Cigarette Use is Changing Smoking Enforcement in Low Income Housing Alertify Am I being unreasonable to not allow vaping inside a rental unit. This unit happens to have a shared wall. How would others respond to this request? If you vape, you inhale a lot of harmful substances. These can damage your heart and lungs. 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.