5
Gask et around
outer edge
Insulated
deck pan
Gask et around
duct
S/A
R/A
HVAC unit
base
*Gask eting
outer flange
Flashing field
supplied
Roofing material
field supplied
Cant str ip
field supplied
*Provided with roofcurb
Roof
Duct wo rk
field supplied
Insulation (field
supplied)
Roofcurb*
Wood nailer*
Gask eting
inner flange*
Scre w
(NO TE A)
Roof Curb for Small Cabinet
Note A: When unit mounting scre w is used,
retainer bra cke t must also be used.
HVAC unit
base
*Gask eting
outer flange
Flashing field
supplied
Roofing material
field supplied
Cant str ip
field supplied
*Provided with roofcurb
Roof
Duct wo rk
field supplied
Insulation (field
supplied)
Roofcurb*
Wood nailer*
Gask eting
inner flange*
Scre w
(NOTE A)
Roof Curb for Large Cabinet
Note A: When unit mounting scre w is used,
retainer bra cket must also be used.
A
B Typ.
Supply opening
(B x C)
Long
Support
D
44
5
/
16
"
Return opening
(B X C)
Insulated
deck pan
Short
Support
C Typ.
C00076
UNIT SIZE
ODS CATALOG
NUMBER
A
IN. (MM)
B
IN. (MM)
C
IN. (MM)
D
IN. (MM)
574B024--036
CPRFCURB006A00 8 (203) 11 (279) 16--1/2 (419) 28--3/4 (730)
CPRFCURB007A00 14 (356) 11 (279) 16--1/2 (419) 28--3/4 (730)
574B042--060
CPRFCURB008A00 8 (203) 16--3/16 (411) 17--3/8 (441) 40--1/4 (1022)
CPRFCURB009A00 14 (356) 16--3/16 (411) 17--3/8 (441) 40--1/4 (1022)
NOTES:
1. Roof curb must be set up for unit being installed.
2. Seal strip must be applied, as required, to unit being installed.
3. Dimensions are in inches.
4. Dimension in ( ) are in millimeters.
5. Roof curb is made of 16--gauge steel.
6. Attach ductwork to curb (flanges of duct rest on curb).
7. Insulated panels: 1--in. thick fiberglass 1 lb. density.
8. When unit mounting screw is used (see Note A), a retainer bracket must be used as well. This bracket must also be used when required by code for hurricaneorseismic
conditions. This bracket is available through Micrometl.
Fig. 4 -- Roof Curb Dimensions
574B
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