This economical, high-quality product incorporates the insulation or combination of insulations of choice within a durable protective metal jacket. The inner carrier piping material may be as required for the service intended. Aluminum Spir-l-ok is constructed for applications with temperatures ranging from -200 degrees to +450 degrees Fahrenheit. Projects requiring pipe to carry Steam, Condensate, Hot Water, Hot Oil, Process Fluids, Cryogenic Gases, etc., are ideally suited for Aluminum Spir-l-ok.