PRODUCTS - CORNELL IRON WORKS
Rolling Steel Doors
Jump to additional Rolling
Steel Door offerings:
ScreenGard™ Perforated Slat Door
Matadoor® Breakaway Curtain Bottom
RapidResponse™ Fast Fix
Response Service Door
Rolling Steel Doors are
metal slatted doors that roll up to store in coil above
the opening. They are used to provide security against
entry or weather protection at exterior and interior
openings in industrial, commercial, institutional and
other buildings. They are also called overhead coiling
doors or service doors.
Do you have questions
regarding the differences between Rolling Doors
(Overhead Coiling Doors) vs. Sectional Doors? See these
Rolling Steel Door Benefits:
Flexibility: Cornell coiling doors are
built to order to fit your opening size, operation
and option preferences.
Saving: Coiling doors roll upward and store
in a tight coil above the opening for fuller use of
the interior space. This reduces interference with
other building components.
- Low Life
Cycle Cost: Cornell’s rugged construction
and quality materials assure long life and less
Sizes: 30' wide, 30' high standard
construction. Large Openings to 50'
wide, 40' high, consult factory.
Operation: Motors, chain, hand-crank or push-up
designs based on size, weight or frequency of operation.
Standard construction for coiling doors is up to 20
cycles per day with High Cycle Construction available
for doors expected to be operated more than 20 cycles
per day, i.e., parking garages, sally ports.
Doors: For high traffic openings or where air
flow or temperature control is critical, doors can be
designed to operate at more than twice the speed of
typical doors, or up to 2 ft./sec.
Cornell coiling doors can be configured to withstand the
full range of specific wind load requirements including
missile impact ratings. Also refer to the
Load Construction section.
Performance Validation: Cornell can provide
project specific seismic calculations for all coiling
doors that are mounted Face of Wall or Between Jambs to
steel or masonry. Seismic performance validation is per
Finishes: Standard door curtains are available
in 24, 22, 20 and 18 gauge galvanized steel with
GalvaNex™ finish in light gray or tan. Also 20 gauge
300 series stainless steel with #4 finish or #16 B&S
gauge aluminum with mill, clear or color anodized
SpectraShield® powder coating optional.
Additional Material and Finishes information…
Service Door Options:
Include weather seals at the guides and bottom bar with
an internal hood baffle at coil housing. Lintel mounted
nylon brush seal also available.
SpectraShield® Powder Coating:
Polyester finish in over 200 colors for durability,
aesthetics, superior finish life and cost effectiveness.
Vision Windows: Provide visibility with
one or more panes incorporated in the curtain. Panes are
10" x 1 5/8" and spaced 2" apart. Minimum spacing in
from each guide is 12".
Sloping or Irregular Sills: Cornell
special bottom bar designs can address these conditions.
Removable Mullions: For extra wide
openings that require full access on a limited basis,
Cornell can provide multiple doors with removable guide
Add durable, full-color images to your curtains and
hoods. Great for school logos and turning unused door
space into profitable sponsorship opportunities in
stadiums, amusement parks and retail stores.
Perforated Galvanized Steel Slat Doors:
Achieve visibility and ventilation while maintaining
security and insect control. Perforated 20 gauge
galvanized steel slat provides approximately 22% open
the performance of a Rolling Steel Door with the
convenience of impact damage resistance. When impacted,
the RapidResponse Door's extra curtain slats at the
bottom of the curtain can be quickly removed and the
door can be returned to normal operation during the
initial service call.
RapidResponse doors are
provided with 3' or 6' of extra curtain, an impactable
bottom bar and removable lower guide sections These
features allow for faster repair when impact occurs,
increase the facility's productivity and maximize the
life-time value of the door system.
More information on the RapidResponse Door
Also available for
Thermiser® Insulated Doors
Breakaway Curtain Bottom Section:
Avoids most damage from accidents involving forklifts or
other vehicles. Rugged, 25" high reinforced fabric panel
in safety orange and a specially joined structural steel
bottom bar allow the assembly to release from its guides
upon impact. For further information, view the
Matadoor Product Video.
Response Service Doors
Response Service Doors help address both security and
safety issues in public areas. They provide the security
of a service door but immediately respond in an
emergency situation to fully open automatically and
allow access to safe escape. Available only from
Cornell, CrossingGard Doors can be used in applications
where security with access to egress is desired without
the need for airflow and visibility.
CrossingGard Doors are
available in all service door
materials and finishes, including
ScreenGard™ curtains. Sizes: up to
20' wide or up to 16' high, consult factory for larger
sizes or when size is critical.
egress is building code required, please use model
ERG-IBC CrossingGard Grilles.
to Shoals Overhead Doors' Commercial Products --->