Figure 2 cont – Greenheck Multi-blade Fire & Combination Fire Smoke Dampers Installation Booklet (826249) User Manual
Page 22
Figure 2 cont....
Type B2- Vertical Mount, Thru Duct with
Single Retaining Angle
Type B2 - Horizontal Mount Above Floor/Wall,
Thru Duct with Single Retaining Angle
Type B2 - Horizontal Mount Below Floor/Wall, Thru
Duct with Single Retaining Angle
7 1/2 in. (191mm)
maximum
Factory Supplied
Thermal Blanket
Metal Stud
Damper
Retaining
Angle
Alternate Retaining
Angle Location
Concrete or
Masonry
Wood
Stud
Retaining
Angle
Factory Supplied
Thermal Blanket
Damper
Concrete or
Masonry
7 1/2 in. (191mm)
maximum
Factory Supplied
Thermal Blanket
Retaining Angle
Concrete or
Masonry
7 1/2 in. (191mm)
maximum
Damper
Type B2- Vertical Mount, Duct Terminates
Single Angle Method
Type B2 - Horizontal Mount Above Floor/Wall,
Duct Terminates Single Angle Method
Type B2 - Horizontal Mount Below Floor/Wall, Duct
Terminates Single Angle Method
7 1/2 in. (191mm)
maximum
Retaining
Angle
Alternate Retaining
Angle Location
Concrete or
Masonry
Factory Supplied
Thermal Blanket
Damper
7 1/2 in. (191mm)
maximum
Retaining
Angle
Factory Supplied
Thermal Blanket
Concrete or
Masonry
Damper
7 1/2 in. (191mm)
maximum
Factory Supplied
Thermal Blanket
Damper
Concrete or
Masonry
Retaining
Angle
22