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TAMCO Installation Guidelines for smoke dampers

Multiple Section
Smoke Damper Assemblies

INSTRUCTIONS BELOW ARE IN ADDITION TO APPLICABLE MOUNT TYPE INSTALLATION PROCEDURES.
Multiple section smoke damper assemblies should be installed using same fasteners and fastening patterns as described in the instructions for single-section smoke dampers.

Two section high by two section wide smoke damper

ASSEMBLING SMOKE DAMPERS THAT ARE MULTIPLE SECTIONS HIGH:

  • Slide joiners over frame members, where top and bottom sections meet.
  • Joiners must be secured to both the front (label) and back (rear) side of damper assemblies.
  • Attach each joiner to the damper frame members using, as a minimum, four #8 sms screws or rivets as shown in Figures A & B below.
Figures A & B for Assembling Multi-section smoke dampers

ASSEMBLING SMOKE DAMPERS THAT ARE MULTIPLE SECTIONS HIGH AND MULTIPLE SECTIONS WIDE:

  • Slide joiners over frame members, where top and bottom sections meet.
  • Joiners must be secured to both the front (label) and back (rear) side of damper assemblies.
  • Attach each joiner to the damper frame members using, as a minimum, four #8 sms screws or rivets, as shown in Figures A & B.
  • Install the bridge bracket connecting the lower sections. Place the bridge bracket so that it is centered over the joint where all four damper sections meet. as shown in Figure C, below.
  • Fasten the Bridge Bracket in place, using ΒΌ"-20 bolts, making sure they are secured in the pre-set, factory-supplied rivet nut holes.
Figures A & B for Assembling Multi-section smoke dampers

OPTIONAL MULLION END CAPS:
(FOR FLANGED TO DUCT TYPE, MULTI-SECTION DAMPER INSTALLATIONS)

  • Mullion end caps are provided with all multi-section dampers that are to be installed as Flanged to Duct mount type.
  • These are required to prevent air flow from passing through open channels. (Mullion end caps are not intended for use as structural support.)
  • Caulk surfaces between mullion end caps and damper frame for an airtight seal.
  • Mullion end caps are not required for Installed in Duct type, multi-section dampers nor for Rear Extended Flange Option dampers. As such they are not provided as standard, but are available for order as separate parts.

Documents:


TAMCO UL/ULC Approved Smoke Damper Installation Guidelines

TAMCO UL/ULC Approved Smoke Damper Jumper Installation Guidelines