Ceiling Radiation Damper Installation

Ceiling fire dampers also known as radiation dampers are designed and tested to limit the radiant heat transfer through an air inlet outlet opening in the ceiling membrane of a fire resistance rated floor ceiling or roof ceiling assembly.

Ceiling radiation damper installation.

Each type of damper support system. For ceiling radiation dampers however since ceiling radiation dampers serve a somewhat different purpose than the other damper types there is often confusion about where a ceiling radiation damper should be used. Approved ul 555c ul 263 wood truss floor ceiling. Let s examine the protection provided by each type of damper.

The ceiling damper shall be attached to a minimum 22 gauge 0 85 steel sleeve duct drop by welding or with rivets or with 10 m5 sheet metal screws or with quick lock or bolted with 1 4 6 20 bolts at 6 152 o c. Ceiling radiation damper installation operation maintenance instructions iom ceiling radiation dampers 1016 nca manufacturing inc. Aire technologies ceiling radiation damper. Each type of damper support system is described with damper being mounted in conjunction.

Up to 3 hour ceiling radiation damper installation instructions c e i l i n g r a d i a t i o n d a m p e r s i c f d 1 5 m 6 1 0 2 7 1 a p r i l 2 0 2 0 a. X 11 2 in. To better understand ceiling radiation dampers. Unlike spring loaded fire dampers and smoke dampers ceiling radiation dampers from lloyd industries limit the transfer of heat into attics or through openings in the ceilings and floors.

Minimum flanges located 1 inch to 3 inches from and on both sides of a steel duct drop and these channels are suspended by 12 swg wire from. Up to 3 hour ceiling radiation damper installation instructions ceiling radiation dampers ii cfd15 february 2013 a. Preventing the transfer of heat and flames into attic and crawlspaces is essential in limiting the amount of damage done in the event of a fire. These installation instructions apply to ceiling radiation dampers mounted in 3 hour rated ceiling with supports from 1 a ceiling grid system 2 ductwork above or 3 structure above.

5 ceiling radiation dampers dampers supported from ductwork above note about support when main ducts are supported by 16 ga.