Televised ducts under slab floor. Ducts are concrete asbestos ducts with metal connections and fittings. Metal only showing slight signs of rust. Provide quote for spray lining ducts with Duct Armor duct lining material to encapsulate the concrete.
Video inspection of underground air ducts. Ducts are metal ducts showing slight signs of rust. Suggest spray lining ducts with Duct Armor Duct lining material.