Greenheck Ceiling Radiation Dampers (826252) - Manual (Page 12)

Dampers Installed In Gypboard Ceiling (cont.)
Wood framing
member or joist
#8 Tek Screw
or 3/16 in. Dia.
Steel Rivet
1 in. x 1/2in.x 20
Ga. Minimum
Galv. Mounting
Angle (typical)
1 in. x 1/2 in.x 20
Ga. Minimum
Galv. Mounting
Angle (3 in. Long
Minimum)
1/2 in.
#6 Penny Nail or #8 Screw
#8 Screw
2 in .
Figure 2
Figure 1
Air (Inlet or Outlet) Device
(steel or aluminum)
Ceiling
Radiation
Damper 12 in.
Min.
Roof/Floor
Construction
Wood framing
member or joist
#6 Penny Nail
or #8 Screw
(typical)
1 in. x 1/2 in. x 20 Ga.
Minimum Galv.
Mounting Angl e
3 in. Leg
(typical)
Steel Rivet or
Sheet Metal Screw
1 in. x 1/2in. x 20
Ga. Minimum
Galv. Mounting
Clip (3 in. Long
Minimum)
5/8 in. Gypsum
Wallboard