2022 The International Residential Code requires a minimum of one vent to the "outdoor open air" per residence (IRC P3114.7). The rest of the plumbing fixtures can be vented by an air admittance valve | EMA Structural Forensic Engineers, Milestone Inspections Orlando, Milestone Inspections Daytona, Condominium Milestone Inspections Tampa, Milestone Inspections Pinellas County, Milestone Inspections Cocoa, Milestone Inspections Clearwater, Condominium Structural Inspections Tampa, Structural Engineers Florida, SB-4D Milestone Inspections, Structural Integrity Reserve Study, Forensic Engineers Orlando, Forensic Engineers New Orleans, Forensic Engineers Houston, Forensic Engineers Daytona, Forensic Engineers Palm Beach, Corrosion Mapping, Corrosion Inspection, Forensic Engineers Palm Beach, Structural Engineers Daytona Beach, Structural Inspections Tampa