Profile: Cain Mfg. Co., Inc. deals with HVAC and roofing products. Our products include turning vanes & rails, duct liner fasteners, adhesives and sealants. We offer damper hardware such as dial regulators, quadrant regulators, damper bearings, multi & opposed blade and elevated regulators. Our flexible duct connector is designed to eliminate noise and vibration in HVAC duct system. We also provide roof expansion joints.