Fire Rated Door Louver

Model 1900a is rated for use in fire doors up to 1 1 2 hour rating.

Fire rated door louver.

Fm factory mutual does not allow the use of louvers in fire rated doors. 45 to 90 minute rating. Fire rated steel doors play a vital role in keeping people safe and minimizing property damage during a fire. Self attaching product fastens the auxiliary frame to the louver core thru the door cutout eliminating the need to drill holes in the door door thickness.

Glass cannot be used in conjunction with louvers in fire rated doors. Fire rated doors can be prepared for one listed fire rated louver. Louvers may be provided for classified hollow metal type and composite type fire doors. Model 1900 a is rated for use in fire doors up to 1 1 2 hour rating.

There are two additional types of louvers available for use on fire rated doors but they would require a variance from the local code official since they are not specifically allowed by the codes. One type is the advantage intumescent louver by zero international zero also offers the fb intumescent block. Installed in accordance with nfpa 80. Louvers must be located in the bottom half of the door.

These doors are designed to satisfy your requirements for durability security aesthetics or fire protection. Metal fire doors are an economical alternative to wood fire doors when more than a 20 minute rating is required. Doors with louvers can only be used in equipment and mechanical areas of the building. Also available up to 2 1 2 64mm door to maintain fire rating.

Consult with local authority having jurisdiction ahj to determine appropriate standards. 18 gauge crs frame. Labeled fire doors control the spread of fire and smoke for up to 3 hours. 1 3 4 44mm is standard.

Bottom of door only. Fusible link louvers are a great way to add additional ventilation to a room or closet door that would otherwise be closed off to maintain the integrity of the firewall. Commercial fire rated doors with louvers. Louver frame will be labeled with listing mark.

Fire rated louvers are available with embossed ul classification 24 x 24 max louver size. Can ulc s104 nfpa252 ubc 7 2 94 ul10 b ul10 c. Louver size shall not exceed maximum width and height shall not be less than 10 and 6 respectively.