Precision Duct GCURB Specifications Sheet

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Model CR, Type RF and SF (Restaurant Curb)
Designed to comply with applicable NFPA [National Fire Protective Association] code
requirements as well as a variety of local requirements, specialized restaurant curbs are made with the same rugged features
found in the standard RF and SF style curbs. In addition, units can be equipped with 4" x 1/2" ventilation slots (insulation not furnished) to release trapped heat from kitchen exhaust
ducts.
Model CS, Type RF and SF (Sound Curb)
A special sound absorbing curb designed for use with power roof ventilators where quiet operation is required. Designed with
streamlined air ow passages using a core
of modular sound absorbing cells of special
berglass held in a galvanized steel frame. Reduces roof fan noise transmitted back
into the room or auditorium by approximately
40%. Features the same rugged all-welded construction as our standard RF and SF
style curbs. Standard height is 16".
For more information refer to www.acmefan.com/pdfs/SoundCurb.PDF)
Model CH, Type SF (Hurricane Curb)
Built with continuous welded seams with wide integral base plate to insure
adequate roong surface bond for watertight weather seal. Furnished with 1/4" polystyrene gasket secured to top ledge of curb. Heavy-Duty 18 gauge galvanized steel up to size 34"; size 34" and above are 16
gauge galvanized steel. See fan Installation and Maintenance
Instructions for fastener information – www.acmefan.com/
literature.htm
Model CVE (Vented Curb Extension)
Vented curb extensions are constructed of 18 gauge galvanized steel or .063 aluminum and have continuous welded seams for watertight construction.
Comes standard with 1/4" polystyrene gasket on top ledge, and 4" x 1/4" vents
on each side. Custom made to any size and height. Standard height is 8".
Model CE (Curb Extension)
Curb Extensions are constructed of
18 gauge galvanized steel or .063 aluminum and have continuous welded seams for watertight construction.
Comes standard with 1/4" polystyrene gasket on top ledge, built-in back draft
damper shelf and removable access panel. Custom made to any size and height. Standard height is 13".
Model CA (Curb Adapter)
Curb Adapters are designed to t new equipment to existing curbs. They are
constructed of 18 gauge galvanized steel with continuous welded seams
and a 1/4" polystyrene gasket on
top ledge. Available as a reducing or enlarging adapter.
Model CCA (Combo Curb Adapter)
The combo curb adapter
is constructed of 18 gauge galvanized steel with continuous welded seams and meet the needs
of modern kitchen construction,
allowing both the exhaust and supply ducting to share a common
roof opening (Curb not included).
Roof Curbs
Model CRH, Type SF (Hurricane Restaurant Curb)
Designed to comply with applicable NFPA [National Fire Protective Association]
code requirements as well as a variety of local requirements, specialized hurricane restaurant curbs are made with the same
rugged features found in standard SF-
style hurricane curbs. In addition, units
can be equipped with 4" x 1/2" ventilation slots (insulation not furnished) to release trapped heat from kitchen exhaust ducts. Heavy-Duty 18 gauge galvanized steel up to size 34"; size 34" and above
are 16 gauge galvanized steel. See fan Installation and Maintenance Instructions for fastener information –
www.acmefan.com/literature.htm
Model CMR (Metal Roof Curb)
Metal roof curbs come in 4 styles depending on the roof type: Self­Flashing, Loose Clips, Welded Clips, Over/Under Welded Clips. Metal roof
curbs feature continuously welded
seams and rib pockets (Loose Clip Curbs), and are lined with 1-1/2" berglass insulation. Curbs are furnished with 1/4" polystyrene gasket on top ledge and cricket-style water diverter to prevent ponding water. For
more information please consult factory.
Model CLE, Type SF (Lab Curb)
Built with continuous welded seams with wide integral base plate to insure
adequate roong surface bond for watertight weather seal. Furnished with 1/4" polystyrene gasket secured to top ledge of curb. Heavy-Duty 12 gauge
galvanized steel construction.
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Shown with optional insulation
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