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AF - Square Cut
AF - Square Cut
with Flap
with Flap
S - Female Shiplap
S - Female Shiplap
Figure 10- Cutting Duct board
S - AF
SC
SC
SC
1 Piece Duct
AF - Square Cut
AF - Square Cut
SF - Female Shiplap with
SF - Female Shiplap with
End Flap
End Flap
S - AF
S - AF
SC
SC
SC
2 Piece "U" Duct
Figure 11: Assembly of ductboard plenum
Damper
Frame
Damper with Field Installed
Duct Board Plenum Assembly
Figure 12
VC - V-groove
VC - V-groove
SC - Shiplap
Corner Fold
Corner Fold
SC
S - AF
S - AF
S - AF
2 Piece "L" Duct
Plenum Top
15 in.
maximum
Plaster
Flange
SC - Shiplap
Corner Fold
Corner Fold
S - AF
S - AF
S - AF
4 Piece Duct
CRD-1WT & CRD-2WT
7
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