At Karpen Steel, we use only the highest quality materials in making our custom doors and frames. We manufacture each one of them to the most exacting standards.  Our product line includes: 12, 14, 16 & 18 gage doors and 10, 12, 14, 16 & 18 gage frames, UL Labeled doors and frames, temperature rise doors, dutch doors, acoustic assemblies, lead-lined doors and frames, knocked down frames, pocket door frames, 2-piece slip frames, elevator, sub-buck and shadowline frames, round top doors and frames ... and more.  As a custom manufacturer, we understand that each order is unique. We listen to our customers and work out the details to meet the specific requirements of each opening. Through our high level of customer service and innovative manufacturing ideas