Encapsulated all deteriorated underground duct work with our rubberized duct lining material. The air in the home is now environmentally safe to breathe.
Video inspection of underground air ducts. Ducts are spiral wound galvanized metal and are showing heavy signs of rust and deterioration. Suggest Trenchless Casting a new concrete pipe inside the existing ducts then spray lining the ducts with Duct Armor Duct lining material.