Ul Labels For Fire Rated Doors

We have permitted manufacturers who label fire door frames under the ul certification program to use an embossed certification mark. Fire door fire tested without hose stream minimum latch throw in. Doors are tested following standards including ul10b ul10c astm e2074 and nfpa 252.

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Fire labels ul its whi or fm are located as follows.

Ul labels for fire rated doors.

The critical component to look for is the circled ul or wh on wood doors the fire label can be on the hinge side or top of the door. F ull mortise continuous hinge. Swinging type fire door fire rating hr fire door to be equipped with fire exit hardware. The label may also be located on the top or bottom of the door.

Over time the label may get painted over see image to the side so check carefully for any raised surfaces. O n the frame the fire label would be. Temp rise fire door to be equipped with fire exit. First the manufacturer may directly emboss the certification mark into the framing material in lieu of a separately applied label.

Butt hinges and pivots. There are no hourly ratings for a basic fire door frame unless the labeling on the frame specifically states that the frame is rated for something less than 3 hours. O n the frames the fire label is located on the hinge jamb between the top and 2nd hinge preparation. Swinging type fire door ul 10c temp fire rating hr.

There are a number of testing agencies in the united states but some well known agencies that test and certify fire doors include underwriters laboratory ul intertek testing services intertek etl and qai laboratories ltd qai. The embossed mark may be done in different ways. If a frame bears a recognized label qualifying it as a fire door frame it may support a 3 hour a 1 1 2 hour a 3 4 hour or a 1 3 hour door. O n the doors the fire label is located on the hinge edge between the top and 2nd hinge preparation.

Swinging type 20 min.

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