All Piping systems fail & create high probability for Black Water Property Damage & Create Major Health Risk. Most Piping Manufacturers state a 50 Year Life Expectancy, Because of Florida’s Aggressive Climate 25 Years is the typical life expectancy of Cast Iron Piping. Some of the reasons Plumbing Fails are: Poor Maintenance, Pipe Production Methods, Installation Methods, Sea Salt Air Vent Corrosion, Grease & Scale Deposits, Vertical to Horizontal Debris Deposits, Root Intrusion, Ground Water Infiltration, Soil Content Corrosion, Sewer Gas Deterioration and Seasonal Usage.