Door Engineering’s fire rated doors are Underwriters Laboratory Listed and Factory Mutual Approved for up to 4 hours and can be designed to meet a 250 degree temperature rise in 30 minute rating, the highest rating in the industry. Top Hung Labeled fire doors can be designed for sizes up to 40 feet wide and 20 feet tall, in single, bi-parting and teleslide (multi-panel) configurations. Doors are available sheeted with cold-rolled, galvannealed or stainless steel skins.
Additional options include: Pass doors, vision lites U.L. Listed Controlled speed closing system and monorail cutouts with U.L. notch certification and FM notched label.
All of our top hung and bottom rolling doors can be manufactured as non-labeled doors for a variety of industrial and commercial applications.
For more information visit: American Metal