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FIGURE 17
FIGURE 15
ROOFCURB
ROOFCURB
1
/
16
2
MAX.
INSULATION
PANELS
NAILING
STRIP
CAULK ALL
JOINTS
WATERTIGHT
FIGURE 19
DUCTWORK COVER INSTALLATION DETAIL
20
RETURN PLENUM
1
/
20
MAX.
2
SUPPLY
PLENUM
3
/
16
MAX.
8
DUCT
FLANGE
(NOT TO
EXCEED 1()
ROOFCURB
I342
FIGURE 20
RESIDENTIAL ROOFTOP DUCTWORK INSTALLATION DETAIL.
I
FIGURE 18
FIGURE 16
ROOFCURB
ROOFCURB
GASKET
NAILING STRIP
**
*
DUCT
*
INSULATION
*
INSULATION
**
BY CONTRACTOR
**
FOR INSTALLATION OF DUCT AS SHOWN, USE RECOMMENDED
DUCT SIZES FROM ROOFCURB INSTALLATION INSTRUCTIONS. FOR
DUCT FLANGE ATTACHMENT TO UNIT, SEE UNIT INSTALLATION
INSTRUCTIONS (FIGURE 1) FOR SIZE OF DUCT OPENINGS.
ROOFTOP UNIT
*
TIE DOWN SCREW
ROOFCURB
*
ROOF FLASHING
*
ROOFING
*
CANT STRIP
*
ROOF DECK
I255
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