Karpen Steel uses only the highest quality materials in making their custom doors and frames. They manufacture each one to the most exacting standards.

Karpen Steel’s product line includes: 12, 14, 16 & 18 guage doors and 12, 14 & 16 guage 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.