Floor Radiation Dampers

Preventing the transfer of heat and flames into attic and crawlspaces is essential in limiting the amount of damage done in the.

Floor radiation dampers.

A ceiling radiation damper shall be provided where the ceiling membrane of a fire resistance rated floor ceiling or roof ceiling assembly constructed as permitted in section 708 4 exception 2 of the international building code is penetrated. 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 dampers are intended to limit the transfer of radiant heat into the concealed space when installed in the ceiling membrane of a fire resistance rated floor ceiling or roof ceiling assembly. Exteneded collar models 0722 se and 0722 le available.

Nailor model 0722 ceiling dampers are for use in round applications in lieu of hinged door type dampers in any ul ulc floor ceiling or roof ceiling assembly with up to a 3 hour fire resistance rating where air ducts are allowed. Adjustable models 0722a 0722a se and 0722a le available. Ceiling radiation dampers are available in butterfly style and curtain style. Ceiling fire damper may be installed in floor ceiling and roof ceiling assemblies with fire ratings of 3 hours and less.

Ceiling membrane considerations to achieve the fire resistance rating required by building. Operated by a fuse link these dampers come spring loaded and are available with an easy access assembly. 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. They are used to protect hvac openings in fire rated horizontal ceiling assemblies.

A ceiling radiation damper shall be provided where the ceiling membrane of a fire resistance rated floor ceiling or roof ceiling assembly a listed smoke damper designed to resist the passage of smoke shall be provided at each point a duct or air transfer opening penetrates a corridor. A ceiling radiation damper closes automatically to restrict the passage of heat. Now with this true round radiation dampers architectural round diffuser with volume control may be used in place of square or rectangle flush mount diffuses. Series 51sb read more.

Application ul fire rated floor ceiling assemblies.