Greenheck Multi-blade Fire & Combination Fire Smoke Dampers Installation Booklet (826249) - Manual (Page 19)

Figure 2
Steel Stud
Flange
Flange Flange
Factory
Supplied
Thermal
Blanket
7 1/2 in. (191mm)
maximum
Concrete or
Masonry
Wall
Wood
Stud
Damper
Type A- Vertical Mount, Duct Terminates
Flange Method
Type A- Vertical Mount, Duct Terminates
Single Angle Method
Type A - Horizontal Mount Above Floor/Wall,
Duct Terminates Single Angle Method
Type A - Horizontal Mount Below Floor/Wall, Duct
Terminates Flange Method
Type A - Horizontal Mount Below Floor/Wall, Duct
Terminates Single Angle Method
Flange
7 1/2 in. (191mm)
max.
Factory Supplied
Thermal Blanket
Masonry or
Concrete
Floor
Damper
7 1/2 in.
(191mm)
max.
Factory Supplied
Thermal Blanket
Retaining
Angle
Alternate
Retaining
Angle
Location
Concrete or
Masonry Wall
Wood
Stud
Steel Stud
Damper
7 1/2 in. (191mm)
max.
Retaining
Angle
Factory Supplied
Thermal Blanket
Concrete or
Masonry
Floor
Damper
Retaining
Angle
Concrete or
Masonry
Floor
Damper
7 1/2 in. (191mm)
max.
Factory Supplied
Thermal Blanket
19