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 450 degree temperature rise in
30 minute rating. Bottom rolling Labeled fire doors can be
designed for sizes up to 40 feet wide and 40 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.