45 to 90 minute rating.
Fire rated door louver.
Model 1900a is rated for use in fire doors up to 1 1 2 hour rating.
18 gauge crs frame.
1 3 4 44mm is standard.
These doors are designed to satisfy your requirements for durability security aesthetics or fire protection.
Fire rated louvers are available with embossed ul classification 24 x 24 max louver size.
Installed in accordance with nfpa 80.
Louvers may be provided for classified hollow metal type and composite type fire doors.
Can ulc s104 nfpa252 ubc 7 2 94 ul10 b ul10 c.
Fire rated doors can be prepared for one listed fire rated louver.
Fire rated steel doors play a vital role in keeping people safe and minimizing property damage during a fire.
Metal fire doors are an economical alternative to wood fire doors when more than a 20 minute rating is required.
Louvers must be located in the bottom half of the door.
Labeled fire doors control the spread of fire and smoke for up to 3 hours.
Louver frame will be labeled with listing mark.
Also available up to 2 1 2 64mm door to maintain fire rating.
Glass cannot be used in conjunction with louvers in fire rated doors.
Our fire rated doors with louvers can also be used on a mechanical closet to seal off the room in the event of a fire.
Bottom of door only.
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.
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.
Fm factory mutual does not allow the use of louvers in fire rated doors.
Consult with local authority having jurisdiction ahj to determine appropriate standards.
Louver size shall not exceed maximum width and height shall not be less than 10 and 6 respectively.
One type is the advantage intumescent louver by zero international zero also offers the fb intumescent block.
Doors with louvers can only be used in equipment and mechanical areas of the building.
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.
Air louvers 1900a 24x18 b door louver fire rated adjustable with fusible link mineral bronze finish.